user: Question: What date was the record 20–16?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 1', '@ Giants', '5 – 1 (10)', 'Worrell (1–1)', '41,524', '16–12']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Record" = '20–16';