{
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        "question": {
            "questionId": "2495",
            "questionFrontendId": "2356",
            "boundTopicId": null,
            "title": "Number of Unique Subjects Taught by Each Teacher",
            "titleSlug": "number-of-unique-subjects-taught-by-each-teacher",
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            "difficulty": "Easy",
            "likes": 2,
            "dislikes": 2,
            "isLiked": null,
            "similarQuestions": "[]",
            "exampleTestcases": null,
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [],
            "companyTagStats": null,
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            "stats": "{\"totalAccepted\": \"76\", \"totalSubmission\": \"86\", \"totalAcceptedRaw\": 76, \"totalSubmissionRaw\": 86, \"acRate\": \"88.4%\"}",
            "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]]}}",
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                "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')"
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