user: Question: What is the date for week 15?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 2', 'Cincinnati Bengals', 'W 10–0', 'Mile High Stadium', '1–0', 74788.0]
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" = 15.0;