user: Question: What Chassis does Reg Parnell drive?
Columns: ['Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine', 'Tyre']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Nello Pagani', 'Scuderia Achille Varzi', 'Maserati', 'Maserati 4CLT-48', 'Maserati L4s', 'P']
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Driver" = 'Reg Parnell';