user: Question: Who was the opponent of the game before week 11 on October 31, 1976?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 12, 1976', 'New York Giants', 'W 19-17', 54245.0]
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Week" < 11.0 AND "Date" = 'October 31, 1976';