user: Question: Name the chassis for Alta
Columns: ['No', 'Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'Luigi Villoresi', 'Scuderia Ferrari', 'Ferrari', 'Ferrari 125', 'Ferrari V12s']
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Constructor" = 'Alta';