{
    "data": {
        "question": {
            "questionId": "1664",
            "questionFrontendId": "1517",
            "categoryTitle": "Database",
            "boundTopicId": 336736,
            "title": "Find Users With Valid E-Mails",
            "titleSlug": "find-users-with-valid-e-mails",
            "content": null,
            "translatedTitle": "查找拥有有效邮箱的用户",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Easy",
            "likes": 25,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"4.6K\", \"totalSubmission\": \"8K\", \"totalAcceptedRaw\": 4623, \"totalSubmissionRaw\": 8038, \"acRate\": \"57.5%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Users\":[\"user_id\",\"name\",\"mail\"]},\"rows\":{\"Users\":[[1,\"Winston\",\"winston@leetcode.com\"],[2,\"Jonathan\",\"jonathanisgreat\"],[3,\"Annabelle\",\"bella-@leetcode.com\"],[4,\"Sally\",\"sally.come@leetcode.com\"],[5,\"Marwan\",\"quarz#2020@leetcode.com\"],[6,\"David\",\"david69@gmail.com\"],[7,\"Shapiro\",\".shapo@leetcode.com\"]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Users (user_id int, name varchar(30), mail varchar(50))\"\n  ],\n  \"mssql\": [\n    \"Create table Users (user_id int, name varchar(30), mail varchar(50))\"\n  ],\n  \"oraclesql\": [\n    \"Create table Users (user_id int, name varchar(30), mail varchar(50))\"\n  ],\n  \"database\": true\n}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Users (user_id int, name varchar(30), mail varchar(50))",
                "Truncate table Users",
                "insert into Users (user_id, name, mail) values ('1', 'Winston', 'winston@leetcode.com')",
                "insert into Users (user_id, name, mail) values ('2', 'Jonathan', 'jonathanisgreat')",
                "insert into Users (user_id, name, mail) values ('3', 'Annabelle', 'bella-@leetcode.com')",
                "insert into Users (user_id, name, mail) values ('4', 'Sally', 'sally.come@leetcode.com')",
                "insert into Users (user_id, name, mail) values ('5', 'Marwan', 'quarz#2020@leetcode.com')",
                "insert into Users (user_id, name, mail) values ('6', 'David', 'david69@gmail.com')",
                "insert into Users (user_id, name, mail) values ('7', 'Shapiro', '.shapo@leetcode.com')"
            ],
            "enableRunCode": true,
            "envInfo": "{\"mysql\":[\"MySQL\",\"<p>\\u7248\\u672c\\uff1a<code>MySQL 8.0<\\/code><\\/p>\"],\"mssql\":[\"MS SQL Server\",\"<p>mssql server 2019.<\\/p>\"],\"oraclesql\":[\"Oracle\",\"<p>Oracle Sql 11.2.<\\/p>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Users\":[\"user_id\",\"name\",\"mail\"]},\"rows\":{\"Users\":[[1,\"Winston\",\"winston@leetcode.com\"],[2,\"Jonathan\",\"jonathanisgreat\"],[3,\"Annabelle\",\"bella-@leetcode.com\"],[4,\"Sally\",\"sally.come@leetcode.com\"],[5,\"Marwan\",\"quarz#2020@leetcode.com\"],[6,\"David\",\"david69@gmail.com\"],[7,\"Shapiro\",\".shapo@leetcode.com\"]]}}",
            "__typename": "QuestionNode"
        }
    }
}