{
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            "questionId": "1415",
            "questionFrontendId": "1280",
            "categoryTitle": "Database",
            "boundTopicId": 51351,
            "title": "Students and Examinations",
            "titleSlug": "students-and-examinations",
            "content": null,
            "translatedTitle": "学生们参加各科测试的次数",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Easy",
            "likes": 69,
            "dislikes": 0,
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            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
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            "companyTagStats": null,
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            "stats": "{\"totalAccepted\": \"9K\", \"totalSubmission\": \"18.1K\", \"totalAcceptedRaw\": 9036, \"totalSubmissionRaw\": 18143, \"acRate\": \"49.8%\"}",
            "hints": [],
            "solution": null,
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            "sampleTestCase": "{\"headers\":{\"Students\":[\"student_id\",\"student_name\"],\"Subjects\":[\"subject_name\"],\"Examinations\":[\"student_id\",\"subject_name\"]},\"rows\":{\"Students\":[[1,\"Alice\"],[2,\"Bob\"],[13,\"John\"],[6,\"Alex\"]],\"Subjects\":[[\"Math\"],[\"Physics\"],[\"Programming\"]],\"Examinations\":[[1,\"Math\"],[1,\"Physics\"],[1,\"Programming\"],[2,\"Programming\"],[1,\"Physics\"],[1,\"Math\"],[13,\"Math\"],[13,\"Programming\"],[13,\"Physics\"],[2,\"Math\"],[1,\"Math\"]]}}",
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                "Create table If Not Exists Subjects (subject_name varchar(20))",
                "Create table If Not Exists Examinations (student_id int, subject_name varchar(20))",
                "Truncate table Students",
                "insert into Students (student_id, student_name) values ('1', 'Alice')",
                "insert into Students (student_id, student_name) values ('2', 'Bob')",
                "insert into Students (student_id, student_name) values ('13', 'John')",
                "insert into Students (student_id, student_name) values ('6', 'Alex')",
                "Truncate table Subjects",
                "insert into Subjects (subject_name) values ('Math')",
                "insert into Subjects (subject_name) values ('Physics')",
                "insert into Subjects (subject_name) values ('Programming')",
                "Truncate table Examinations",
                "insert into Examinations (student_id, subject_name) values ('1', 'Math')",
                "insert into Examinations (student_id, subject_name) values ('1', 'Physics')",
                "insert into Examinations (student_id, subject_name) values ('1', 'Programming')",
                "insert into Examinations (student_id, subject_name) values ('2', 'Programming')",
                "insert into Examinations (student_id, subject_name) values ('1', 'Physics')",
                "insert into Examinations (student_id, subject_name) values ('1', 'Math')",
                "insert into Examinations (student_id, subject_name) values ('13', 'Math')",
                "insert into Examinations (student_id, subject_name) values ('13', 'Programming')",
                "insert into Examinations (student_id, subject_name) values ('13', 'Physics')",
                "insert into Examinations (student_id, subject_name) values ('2', 'Math')",
                "insert into Examinations (student_id, subject_name) values ('1', 'Math')"
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}