Question: Which opponent has a week of 11?
SQL: SELECT "Opponent" FROM "2-11159520-2" WHERE "Week" = 11.0;

Question: Which december 4, 1976 week has an attendance less than 57366?
SQL: SELECT MIN("Week") FROM "2-11159520-2" WHERE "Date" = 'december 4, 1976' AND "Attendance" < 57366.0;