Question: Who was the opponent of the game before week 11 on October 31, 1976?
SQL: SELECT "Opponent" FROM "2-15087558-2" WHERE "Week" < 11.0 AND "Date" = 'October 31, 1976';

Question: What is the highest attendance of the game on week 9?
SQL: SELECT MAX("Attendance") FROM "2-15087558-2" WHERE "Week" = 9.0;