user: Question: Which opponent has a week of 11?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 12, 1976', 'at Atlanta Falcons', 'W 30-14', 53607.0]
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Week" = 11.0;