user: ### NOW ANSWER:
Question: What tyre has a chassis of P57 P61?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Brabham Racing Organisation', 'Lotus - Climax', '25', 'Climax FWMV 1.5 V8', 'D', 'Jack Brabham', '1']
SQL:

assistant: SELECT "Tyre" FROM "Table" WHERE "Chassis" = 'P57 P61';