CREATE TABLE table_55753 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the average number of laps when Gerhard Berger is the driver?
SELECT AVG("Laps") FROM table_55753 WHERE "Driver" = 'gerhard berger'
SELECT AVG("Laps") FROM "table_55753" WHERE "Driver" = 'gerhard berger'