Table: grand_prix_1950
Columns: driver
entrant
constructor
chassis
engine
tyre

Question: I want the engine for luigi villoresi
SQL: SELECT "engine" FROM grand_prix_1950 WHERE "driver" = 'luigi villoresi'

Question: I want the chassis for entrant of ecurie lutetia
SQL: SELECT "chassis" FROM grand_prix_1950 WHERE "entrant" = 'ecurie lutetia'