user: Question: How many weeks in total has bye as the date?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 11, 2005', 'at Pittsburgh Steelers', 'L 7-34', '62,931']
SQL:

assistant: SELECT COUNT("Week") FROM "Table" WHERE "Date" = 'bye';