user: ### NOW ANSWER:
Question: How many opponents were there when the opponent was Arizona State?
Columns: ['Game', 'Date', 'Opponent', 'Result', 'Cowboys points', 'Opponents', 'Record']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'text']
Sample row: [1.0, 'Sept. 14', '@ Nebraska', 'Loss', 10.0, 13.0, '0-1']
SQL:

assistant: SELECT MIN("Opponents") FROM "Table" WHERE "Opponent" = 'Arizona State';