Question: Who is the opponent on September 9, 1979?
SQL: SELECT "Opponent" FROM "2-12536416-2" WHERE "Date" = 'September 9, 1979';

Question: What is the sum of the week for the Denver Broncos?
SQL: SELECT SUM("Week") FROM "2-12536416-2" WHERE "Opponent" = 'Denver Broncos';

Question: What is the attendance number for December 2, 1979?
SQL: SELECT SUM("Attendance") FROM "2-12536416-2" WHERE "Date" = 'December 2, 1979';