user: Question: Which Date had an Opponent of Buffalo Bills?
Columns: ['Week', 'Date', 'Kickoff', 'Opponent', 'Result', 'Record', 'Game Site', 'NFL Recap']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['HOF', 'August 3, 2008', '8:00pm EDT', 'Washington Redskins', '16–30', '0–1', 'Fawcett Stadium', 'Recap']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Buffalo Bills';