{
    "data": {
        "question": {
            "questionId": "2495",
            "questionFrontendId": "2356",
            "categoryTitle": "Database",
            "boundTopicId": 1706030,
            "title": "Number of Unique Subjects Taught by Each Teacher",
            "titleSlug": "number-of-unique-subjects-taught-by-each-teacher",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Easy",
            "likes": 0,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"13\", \"totalSubmission\": \"13\", \"totalAcceptedRaw\": 13, \"totalSubmissionRaw\": 13, \"acRate\": \"100.0%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Teacher\":[\"teacher_id\",\"subject_id\",\"dept_id\"]},\"rows\":{\"Teacher\":[[1,2,3],[1,2,4],[1,3,3],[2,1,1],[2,2,1],[2,3,1],[2,4,1]]}}",
            "metaData": "{\n  \"mysql\": [\n    \"Create table If Not Exists Teacher (teacher_id int, subject_id int, dept_id int)\"\n  ],\n  \"mssql\": [\n    \"Create table Teacher (teacher_id int, subject_id int, dept_id int)\"\n  ],\n  \"oraclesql\": [\n    \"Create table Teacher (teacher_id int, subject_id int, dept_id int)\"\n  ],\n  \"database\": true\n}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Teacher (teacher_id int, subject_id int, dept_id int)",
                "Truncate table Teacher",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('1', '2', '3')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('1', '2', '4')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('1', '3', '3')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('2', '1', '1')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('2', '2', '1')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('2', '3', '1')",
                "insert into Teacher (teacher_id, subject_id, dept_id) values ('2', '4', '1')"
            ],
            "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\":{\"Teacher\":[\"teacher_id\",\"subject_id\",\"dept_id\"]},\"rows\":{\"Teacher\":[[1,2,3],[1,2,4],[1,3,3],[2,1,1],[2,2,1],[2,3,1],[2,4,1]]}}",
            "__typename": "QuestionNode"
        }
    }
}