Question: Which total number of Week has an Opponent of at new orleans saints, and an Attendance larger than 53448?
SQL: SELECT COUNT("Week") FROM "2-11157290-2" WHERE "Opponent" = 'at new orleans saints' AND "Attendance" > 53448.0;

Question: Which Attendance has a Result of W 51-21?
SQL: SELECT "Attendance" FROM "2-11157290-2" WHERE "Result" = 'W 51-21';