user: Question: When did the Chiefs have their first Bye?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 10, 1968', 'at Houston Oilers', 'W 26–21', '45,083']
SQL:

assistant: SELECT MIN("Week") FROM "Table" WHERE "Attendance" = 'Bye';