CREATE TABLE table_57510 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the average number of laps for the driver Piero Taruffi?
SELECT AVG("Laps") FROM table_57510 WHERE "Driver" = 'piero taruffi'
SELECT AVG("Laps") FROM "table_57510" WHERE "Driver" = 'piero taruffi'