user: Question: How many opponents was a game with a record 17-6 played against?
Columns: ['Game', 'Date', 'Opponent', 'Score', 'High points', 'High rebounds', 'High assists', 'Location/Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [17.0, 'July 1', '@ Indiana', 'W 76-66', 'Douglas (22)', 'Whalen (10)', 'Whalen , Sales (3)', 'Conseco Fieldhouse 7,033', '12-5']
SQL:

assistant: SELECT COUNT("Opponent") FROM "Table" WHERE "Record" = '17-6';