user: Question: What day did the team play the Buffalo Bills?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'August 10, 1975', 'at San Francisco 49ers', 'L 17–13', 45560.0]
SQL:

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