user: Question: What week had an attendance more than 63268 and kansas city chiefs as the opponent?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 4, 1988', 'Seattle Seahawks', 'L 21–14', 75986.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Attendance" > 63268.0 AND "Opponent" = 'kansas city chiefs';