user: Question: What Date was the Game at Griffith Stadium?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 24, 1960', 'Pittsburgh Steelers', 'L 28–35', 'Cotton Bowl', '0–1', '30,000']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Game site" = 'Griffith Stadium';