user: Question: What driver won in the XV Grand Prix de l'Albigeois in a vehicle by Ferrari?
Columns: ['Race Name', 'Circuit', 'Date', 'Winning driver', 'Constructor', 'Report']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['III Gran Premio di Siracusa', 'Syracuse', '22 March', 'Toulo de Graffenried', 'Maserati', 'Report']
SQL:

assistant: SELECT "Winning driver" FROM "Table" WHERE "Constructor" = 'Ferrari' AND "Race Name" = 'XV Grand Prix de l''Albigeois';