user: Question: On what Date was the Attendance 73,405?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 11, 2005', 'Denver Broncos', 'W 34–10', '72,324']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Attendance" = '73,405';