{
    "data": {
        "question": {
            "questionId": "1842",
            "questionFrontendId": "1699",
            "boundTopicId": null,
            "title": "Number of Calls Between Two Persons",
            "titleSlug": "number-of-calls-between-two-persons",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 117,
            "dislikes": 7,
            "isLiked": null,
            "similarQuestions": "[]",
            "exampleTestcases": "{\"headers\":{\"Calls\":[\"from_id\",\"to_id\",\"duration\"]},\"rows\":{\"Calls\":[[1,2,59],[2,1,11],[1,3,20],[3,4,100],[3,4,200],[3,4,200],[4,3,499]]}}",
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": null,
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"16.6K\", \"totalSubmission\": \"19.2K\", \"totalAcceptedRaw\": 16556, \"totalSubmissionRaw\": 19246, \"acRate\": \"86.0%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Calls\":[\"from_id\",\"to_id\",\"duration\"]},\"rows\":{\"Calls\":[[1,2,59],[2,1,11],[1,3,20],[3,4,100],[3,4,200],[3,4,200],[4,3,499]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Calls (from_id int, to_id int, duration int)\"\n  ],\n  \"mssql\": [\n    \"Create table Calls (from_id int, to_id int, duration int)\"\n  ],\n  \"oraclesql\": [\n    \"Create table Calls (from_id int, to_id int, duration int)\"\n  ],\n  \"database\": true\n}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Calls (from_id int, to_id int, duration int)",
                "Truncate table Calls",
                "insert into Calls (from_id, to_id, duration) values ('1', '2', '59')",
                "insert into Calls (from_id, to_id, duration) values ('2', '1', '11')",
                "insert into Calls (from_id, to_id, duration) values ('1', '3', '20')",
                "insert into Calls (from_id, to_id, duration) values ('3', '4', '100')",
                "insert into Calls (from_id, to_id, duration) values ('3', '4', '200')",
                "insert into Calls (from_id, to_id, duration) values ('3', '4', '200')",
                "insert into Calls (from_id, to_id, duration) values ('4', '3', '499')"
            ],
            "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"
        }
    }
}