Question: Which game site Kickoff [a] of 1:00, and an Attendance of 63,251?
SQL: SELECT "Game site" FROM "2-11420734-2" WHERE "Kickoff [a ]" = '1:00' AND "Attendance" = '63,251';

Question: Which date has a Kickoff [a] of 4:00, and an Opponent of Detroit Lions?
SQL: SELECT "Date" FROM "2-11420734-2" WHERE "Kickoff [a ]" = '4:00' AND "Opponent" = 'Detroit Lions';