{
    "data": {
        "question": {
            "questionId": "1495",
            "questionFrontendId": "1364",
            "boundTopicId": null,
            "title": "Number of Trusted Contacts of a Customer",
            "titleSlug": "number-of-trusted-contacts-of-a-customer",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 54,
            "dislikes": 276,
            "isLiked": null,
            "similarQuestions": "[]",
            "exampleTestcases": "{\"headers\":{\"Customers\":[\"customer_id\",\"customer_name\",\"email\"],\"Contacts\":[\"user_id\",\"contact_name\",\"contact_email\"],\"Invoices\":[\"invoice_id\",\"price\",\"user_id\"]},\"rows\":{\"Customers\":[[1,\"Alice\",\"alice@leetcode.com\"],[2,\"Bob\",\"bob@leetcode.com\"],[13,\"John\",\"john@leetcode.com\"],[6,\"Alex\",\"alex@leetcode.com\"]],\"Contacts\":[[1,\"Bob\",\"bob@leetcode.com\"],[1,\"John\",\"john@leetcode.com\"],[1,\"Jal\",\"jal@leetcode.com\"],[2,\"Omar\",\"omar@leetcode.com\"],[2,\"Meir\",\"meir@leetcode.com\"],[6,\"Alice\",\"alice@leetcode.com\"]],\"Invoices\":[[77,100,1],[88,200,1],[99,300,2],[66,400,2],[55,500,13],[44,60,6]]}}",
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": null,
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"13K\", \"totalSubmission\": \"16.5K\", \"totalAcceptedRaw\": 13045, \"totalSubmissionRaw\": 16527, \"acRate\": \"78.9%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Customers\":[\"customer_id\",\"customer_name\",\"email\"],\"Contacts\":[\"user_id\",\"contact_name\",\"contact_email\"],\"Invoices\":[\"invoice_id\",\"price\",\"user_id\"]},\"rows\":{\"Customers\":[[1,\"Alice\",\"alice@leetcode.com\"],[2,\"Bob\",\"bob@leetcode.com\"],[13,\"John\",\"john@leetcode.com\"],[6,\"Alex\",\"alex@leetcode.com\"]],\"Contacts\":[[1,\"Bob\",\"bob@leetcode.com\"],[1,\"John\",\"john@leetcode.com\"],[1,\"Jal\",\"jal@leetcode.com\"],[2,\"Omar\",\"omar@leetcode.com\"],[2,\"Meir\",\"meir@leetcode.com\"],[6,\"Alice\",\"alice@leetcode.com\"]],\"Invoices\":[[77,100,1],[88,200,1],[99,300,2],[66,400,2],[55,500,13],[44,60,6]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Customers (customer_id int, customer_name varchar(20), email varchar(30))\",\n    \"Create table If Not Exists Contacts (user_id int, contact_name varchar(20), contact_email varchar(30))\",\n    \"Create table If Not Exists Invoices (invoice_id int, price int, user_id int)\"\n  ],\n  \"mssql\": [\n    \"Create table Customers (customer_id int, customer_name varchar(20), email varchar(30))\",\n    \"Create table Contacts (user_id int, contact_name varchar(20), contact_email varchar(30))\",\n    \"Create table Invoices (invoice_id int, price int, user_id int)\"\n  ],\n  \"oraclesql\": [\n    \"Create table Customers (customer_id int, customer_name varchar(20), email varchar(30))\",\n    \"Create table Contacts (user_id int, contact_name varchar(20), contact_email varchar(30))\",\n    \"Create table Invoices (invoice_id int, price int, user_id int)\"\n  ],\n  \"database\": true\n}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Customers (customer_id int, customer_name varchar(20), email varchar(30))",
                "Create table If Not Exists Contacts (user_id int, contact_name varchar(20), contact_email varchar(30))",
                "Create table If Not Exists Invoices (invoice_id int, price int, user_id int)",
                "Truncate table Customers",
                "insert into Customers (customer_id, customer_name, email) values ('1', 'Alice', 'alice@leetcode.com')",
                "insert into Customers (customer_id, customer_name, email) values ('2', 'Bob', 'bob@leetcode.com')",
                "insert into Customers (customer_id, customer_name, email) values ('13', 'John', 'john@leetcode.com')",
                "insert into Customers (customer_id, customer_name, email) values ('6', 'Alex', 'alex@leetcode.com')",
                "Truncate table Contacts",
                "insert into Contacts (user_id, contact_name, contact_email) values ('1', 'Bob', 'bob@leetcode.com')",
                "insert into Contacts (user_id, contact_name, contact_email) values ('1', 'John', 'john@leetcode.com')",
                "insert into Contacts (user_id, contact_name, contact_email) values ('1', 'Jal', 'jal@leetcode.com')",
                "insert into Contacts (user_id, contact_name, contact_email) values ('2', 'Omar', 'omar@leetcode.com')",
                "insert into Contacts (user_id, contact_name, contact_email) values ('2', 'Meir', 'meir@leetcode.com')",
                "insert into Contacts (user_id, contact_name, contact_email) values ('6', 'Alice', 'alice@leetcode.com')",
                "Truncate table Invoices",
                "insert into Invoices (invoice_id, price, user_id) values ('77', '100', '1')",
                "insert into Invoices (invoice_id, price, user_id) values ('88', '200', '1')",
                "insert into Invoices (invoice_id, price, user_id) values ('99', '300', '2')",
                "insert into Invoices (invoice_id, price, user_id) values ('66', '400', '2')",
                "insert into Invoices (invoice_id, price, user_id) values ('55', '500', '13')",
                "insert into Invoices (invoice_id, price, user_id) values ('44', '60', '6')"
            ],
            "enableRunCode": true,
            "enableTestMode": false,
            "enableDebugger": false,
            "envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"]}",
            "libraryUrl": null,
            "adminUrl": null,
            "challengeQuestion": null,
            "__typename": "QuestionNode"
        }
    }
}