user: ### NOW ANSWER:
Question: The 2001 NASCAR Winston Cup Series championship has what has a circuit?
Columns: ['Discipline', 'Championship', 'Circuit', 'Event', 'Session', 'Cause']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['NASCAR Winston Cup Series', '2001 NASCAR Winston Cup Series', 'Daytona Speedway', '2001 Daytona 500', 'Race', 'Crash']
SQL:

assistant: SELECT "Circuit" FROM "Table" WHERE "Championship" = '2001 NASCAR Winston Cup Series';