user: Question: What day did they play on week 4?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Kickoff Time', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 7, 2003', 'Indianapolis Colts', 'L 9–6', 'CBS 1:00pm', '73,358']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" = 4.0;