user: Question: On what date was the game in Week 9 played?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Record', 'Game Site', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 29, 1957', 'Detroit Lions', 'W 34–14', '1–0', 'Memorial Stadium', 40112.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" = 9.0;