question: Which race did Alberto Ascari have both the Pole position and the win, but Luigi Villoresi set the fastest lap time?
answer: SELECT race FROM table_name_4 WHERE pole_position = "alberto ascari" AND winning_driver = "alberto ascari" AND fastest_lap = "luigi villoresi"
context: CREATE TABLE table_name_4 (race VARCHAR, fastest_lap VARCHAR, pole_position VARCHAR, winning_driver VARCHAR)