user: Question: Which Date has a Set 1 of 21–25?
Columns: ['Date', 'Time', 'Score', 'Set 1', 'Set 2', 'Set 3', 'Total']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['03 Sep', '13:45', '2–3', '21–25', '25–19', '25–20', '100–104']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Set 1" = '21–25';