user: Question: What is the tyre with a 56 chassis?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Officine Alfieri Maserati', 'Maserati', '250F', 'Maserati 250F1 2.5 L6', 'P', 'Stirling Moss', '1–2, 4–8']
SQL:

assistant: SELECT "Tyre" FROM "Table" WHERE "Chassis" = '56';