{
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        "question": {
            "questionId": "2120",
            "questionFrontendId": "1972",
            "boundTopicId": null,
            "title": "First and Last Call On the Same Day",
            "titleSlug": "first-and-last-call-on-the-same-day",
            "content": null,
            "translatedTitle": null,
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            "isPaidOnly": true,
            "difficulty": "Hard",
            "likes": 128,
            "dislikes": 39,
            "isLiked": null,
            "similarQuestions": "[]",
            "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\"]]}}",
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
                    "translatedName": null,
                    "__typename": "TopicTagNode"
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            ],
            "companyTagStats": null,
            "codeSnippets": null,
            "stats": "{\"totalAccepted\": \"8.4K\", \"totalSubmission\": \"16.8K\", \"totalAcceptedRaw\": 8428, \"totalSubmissionRaw\": 16792, \"acRate\": \"50.2%\"}",
            "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,
            "enableTestMode": false,
            "enableDebugger": false,
            "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>\"]}",
            "libraryUrl": null,
            "adminUrl": null,
            "challengeQuestion": null,
            "__typename": "QuestionNode"
        }
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}