Question: How many were in attendance of the game with L 26-21 result?
SQL: SELECT "Attendance" FROM "2-15991313-3" WHERE "Result" = 'L 26-21';

Question: Who is the opponent for the game with 37,845 people in attendance?
SQL: SELECT "Opponent" FROM "2-15991313-3" WHERE "Attendance" = '37,845';