user: Question: Which Week has an Attendance of 20112?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Venue', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 27, 1959', 'Washington Redskins', 'W 49-21', 'Soldier Field', 21892.0]
SQL:

assistant: SELECT "Week" FROM "Table" WHERE "Attendance" = 20112.0;