user: Question: What was the Chassis constructed by Maserati, when the Entrant was Officine A. Maserati, and when the Driver was Luigi Fagioli?
Columns: ['Driver', 'Entrant', 'Constructor', 'Chassis', 'Engine']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Ernst-Günther Burggaller', 'German Bugatti Team', 'Bugatti', 'Bugatti T35B', '2.3 L8']
SQL:

assistant: SELECT "Chassis" FROM "Table" WHERE "Constructor" = 'Maserati' AND "Entrant" = 'Officine A. Maserati' AND "Driver" = 'Luigi Fagioli';