user: Question: Which Date has a Set 3 of 21–25?
Columns: ['Date', 'Score', 'Set 1', 'Set 2', 'Set 3', 'Total']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['21 May', '3–0', '25–20', '25–10', '25–17', '75–47']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Set 3" = '21–25';