user: Question: In which week was the attendance 47218?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 15, 1968', 'at Baltimore Colts', 'L 27-10', 56864.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Attendance" = 47218.0;