{
    "data": {
        "question": {
            "questionId": "2120",
            "questionFrontendId": "1972",
            "categoryTitle": "Database",
            "boundTopicId": 940069,
            "title": "First and Last Call On the Same Day",
            "titleSlug": "first-and-last-call-on-the-same-day",
            "content": null,
            "translatedTitle": "同一天的第一个电话和最后一个电话",
            "translatedContent": null,
            "isPaidOnly": true,
            "difficulty": "Hard",
            "likes": 16,
            "dislikes": 0,
            "isLiked": null,
            "similarQuestions": "[]",
            "contributors": [],
            "langToValidPlayground": null,
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": "数据库",
                    "__typename": "TopicTagNode"
                }
            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"3K\", \"totalSubmission\": \"7.1K\", \"totalAcceptedRaw\": 3004, \"totalSubmissionRaw\": 7107, \"acRate\": \"42.3%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\": {\"Calls\": [\"caller_id\", \"recipient_id\", \"call_time\"]}, \"rows\": {\"Calls\": [[8, 4, \"2021-08-24 17:46:07\"], [4, 8, \"2021-08-24 19:57:13\"], [5, 1, \"2021-08-11 05:28:44\"], [8, 3, \"2021-08-17 04:04:15\"], [11, 3, \"2021-08-17 13:07:00\"], [8, 11, \"2021-08-17 22:22:22\"]]}}",
            "metaData": "{\"mysql\":[\"Create table If Not Exists Calls (caller_id int, recipient_id int, call_time datetime)\"],\"mssql\":[\"Create table Calls (caller_id int, recipient_id int, call_time datetime)\"],\"oraclesql\":[\"Create table Calls (caller_id int, recipient_id int, call_time date)\",\"ALTER SESSION SET nls_date_format='YYYY-MM-DD HH24:MI:SS'\"],\"database\":true,\"name\":\"same_day_calls\",\"pythondata\":[\"Calls = pd.DataFrame([], columns=['caller_id', 'recipient_id', 'call_time']).astype({'caller_id':'Int64', 'recipient_id':'Int64', 'call_time':'datetime64[ns]'})\"],\"postgresql\":[\"Create table If Not Exists Calls (caller_id int, recipient_id int, call_time timestamp)\\n\"],\"database_schema\":{\"Calls\":{\"caller_id\":\"INT\",\"recipient_id\":\"INT\",\"call_time\":\"DATETIME\"}}}",
            "judgerAvailable": true,
            "judgeType": "large",
            "mysqlSchemas": [
                "Create table If Not Exists Calls (caller_id int, recipient_id int, call_time datetime)",
                "Truncate table Calls",
                "insert into Calls (caller_id, recipient_id, call_time) values ('8', '4', '2021-08-24 17:46:07')",
                "insert into Calls (caller_id, recipient_id, call_time) values ('4', '8', '2021-08-24 19:57:13')",
                "insert into Calls (caller_id, recipient_id, call_time) values ('5', '1', '2021-08-11 05:28:44')",
                "insert into Calls (caller_id, recipient_id, call_time) values ('8', '3', '2021-08-17 04:04:15')",
                "insert into Calls (caller_id, recipient_id, call_time) values ('11', '3', '2021-08-17 13:07:00')",
                "insert into Calls (caller_id, recipient_id, call_time) values ('8', '11', '2021-08-17 22:22:22')"
            ],
            "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>\"],\"pythondata\":[\"Pandas\",\"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"],\"postgresql\":[\"PostgreSQL\",\"<p>PostgreSQL 16<\\/p>\"]}",
            "book": null,
            "isSubscribed": false,
            "isDailyQuestion": false,
            "dailyRecordStatus": null,
            "editorType": "CKEDITOR",
            "ugcQuestionId": null,
            "style": "LEETCODE",
            "exampleTestcases": "{\"headers\": {\"Calls\": [\"caller_id\", \"recipient_id\", \"call_time\"]}, \"rows\": {\"Calls\": [[8, 4, \"2021-08-24 17:46:07\"], [4, 8, \"2021-08-24 19:57:13\"], [5, 1, \"2021-08-11 05:28:44\"], [8, 3, \"2021-08-17 04:04:15\"], [11, 3, \"2021-08-17 13:07:00\"], [8, 11, \"2021-08-17 22:22:22\"]]}}",
            "__typename": "QuestionNode"
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}