user: Question: What's the date of the week 12 game whose attendance was larger than 64721?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 3, 1978', 'Los Angeles Rams', 'L 16–14', 64721.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Attendance" > 64721.0 AND "Week" = 12.0;