user: Question: Name the chassis for B. Bira
Columns: ['No', 'Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'Raymond Sommer', 'Private', 'Talbot-Lago', 'Talbot-Lago T26C', 'Talbot L6']
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Driver" = 'B. Bira';