user: Question: What opponent had an attendance of 63,659?
Columns: ['Date', 'Opponent#', 'Site', 'Result', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['09/27/1947', 'Washington', 'Memorial Stadium • Minneapolis, MN', 'W7-6', '43,377']
SQL:

assistant: SELECT "Opponent#" FROM "Table" WHERE "Attendance" = '63,659';