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        "question": {
            "questionId": "2281",
            "questionFrontendId": "2142",
            "categoryTitle": "Database",
            "boundTopicId": 1215627,
            "title": "The Number of Passengers in Each Bus I",
            "titleSlug": "the-number-of-passengers-in-each-bus-i",
            "content": null,
            "translatedTitle": "每辆车的乘客人数 I",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 3,
            "dislikes": 0,
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            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
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            "companyTagStats": null,
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            "stats": "{\"totalAccepted\": \"1.6K\", \"totalSubmission\": \"3.6K\", \"totalAcceptedRaw\": 1638, \"totalSubmissionRaw\": 3561, \"acRate\": \"46.0%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\":{\"Buses\":[\"bus_id\",\"arrival_time\"],\"Passengers\":[\"passenger_id\",\"arrival_time\"]},\"rows\":{\"Buses\":[[1,2],[2,4],[3,7]],\"Passengers\":[[11,1],[12,5],[13,6],[14,7]]}}",
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            "mysqlSchemas": [
                "Create table If Not Exists Buses (bus_id int, arrival_time int)",
                "Create table If Not Exists Passengers (passenger_id int, arrival_time int)",
                "Truncate table Buses",
                "insert into Buses (bus_id, arrival_time) values ('1', '2')",
                "insert into Buses (bus_id, arrival_time) values ('2', '4')",
                "insert into Buses (bus_id, arrival_time) values ('3', '7')",
                "Truncate table Passengers",
                "insert into Passengers (passenger_id, arrival_time) values ('11', '1')",
                "insert into Passengers (passenger_id, arrival_time) values ('12', '5')",
                "insert into Passengers (passenger_id, arrival_time) values ('13', '6')",
                "insert into Passengers (passenger_id, arrival_time) values ('14', '7')"
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            "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>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
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            "editorType": "CKEDITOR",
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            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\":{\"Buses\":[\"bus_id\",\"arrival_time\"],\"Passengers\":[\"passenger_id\",\"arrival_time\"]},\"rows\":{\"Buses\":[[1,2],[2,4],[3,7]],\"Passengers\":[[11,1],[12,5],[13,6],[14,7]]}}",
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