user: Question: What date was the opponents the Oakland Raiders?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 17, 1972', 'at San Francisco 49ers', 'L 34–3', 59438.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Oakland Raiders';