user: Question: Which game site Kickoff [a] of 1:00, and an Attendance of 63,251?
Columns: ['Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'Attendance']
SQL:

assistant: SELECT "Game site" FROM "Table" WHERE "Kickoff [a ]" = '1:00' AND "Attendance" = '63,251';