user: Question: Which of the entrants had Luigi Fagioli as a driver?
Columns: ['Entrant', 'Constructor', 'Chassis', 'Driver', 'Rounds']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Alfa Romeo SpA', 'Alfa Romeo', '158/50', 'Juan Manuel Fangio', '1–2, 4–7']
SQL:

assistant: SELECT "Entrant" FROM "Table" WHERE "Driver" = 'Luigi Fagioli';