user: Question: On what date was the opponent the Green Bay Packers?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 3, 1995', 'San Francisco 49ers', 'L 24-22', '66,627']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Opponent" = 'Green Bay Packers';