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            "questionFrontendId": "3051",
            "categoryTitle": "Database",
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            "title": "Find Candidates for Data Scientist Position",
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                "insert into Candidates (candidate_id, skill) values ('234', 'SQL Server')",
                "insert into Candidates (candidate_id, skill) values ('147', 'Python')",
                "insert into Candidates (candidate_id, skill) values ('147', 'Tableau')",
                "insert into Candidates (candidate_id, skill) values ('147', 'Java')",
                "insert into Candidates (candidate_id, skill) values ('147', 'PostgreSQL')",
                "insert into Candidates (candidate_id, skill) values ('256', 'Tableau')",
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