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            "questionId": "2281",
            "questionFrontendId": "2142",
            "boundTopicId": null,
            "title": "The Number of Passengers in Each Bus I",
            "titleSlug": "the-number-of-passengers-in-each-bus-i",
            "content": null,
            "translatedTitle": null,
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Medium",
            "likes": 95,
            "dislikes": 10,
            "isLiked": null,
            "similarQuestions": "[]",
            "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]]}}",
            "categoryTitle": "Database",
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            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
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                    "__typename": "TopicTagNode"
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            "hints": [],
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            "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]]}}",
            "metaData": "{\"mysql\": [\"Create table If Not Exists Buses (bus_id int, arrival_time int)\", \"Create table If Not Exists Passengers (passenger_id int, arrival_time int)\"], \"mssql\": [\"Create table Buses (bus_id int, arrival_time int)\", \"Create table Passengers (passenger_id int, arrival_time int)\"], \"oraclesql\": [\"Create table Buses (bus_id int, arrival_time int)\", \"Create table Passengers (passenger_id int, arrival_time int)\"], \"database\": true, \"name\": \"count_passengers_in_bus\", \"pythondata\": [\"Buses = pd.DataFrame([], columns=['bus_id', 'arrival_time']).astype({'bus_id':'Int64', 'arrival_time':'Int64'})\", \"Passengers = pd.DataFrame([], columns=['passenger_id', 'arrival_time']).astype({'passenger_id':'Int64', 'arrival_time':'Int64'})\"], \"postgresql\": [\"Create table If Not Exists Buses (bus_id int, arrival_time int)\", \"Create table If Not Exists Passengers (passenger_id int, arrival_time int)\"], \"database_schema\": {\"Buses\": {\"bus_id\": \"INT\", \"arrival_time\": \"INT\"}, \"Passengers\": {\"passenger_id\": \"INT\", \"arrival_time\": \"INT\"}}}",
            "judgerAvailable": true,
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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')"
            ],
            "enableRunCode": true,
            "enableTestMode": false,
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            "envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</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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