user: Question: What is the score for Set 2 at 15:21?
Columns: ['Date', 'Score', 'Set 1', 'Set 2', 'Total']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['3 July', '0–2', '15:21', '15:21', '30:42']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Set 2" = '15:21';