user: Question: What record has September 21 as the date?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 14', 'Boston Patriots', 'W 35–7', 'Mile High Stadium', '1–0', 43482.0]
SQL:

assistant: SELECT "Record" FROM "Table" WHERE "Date" = 'September 21';