CREATE TABLE table_55851 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the average Laps for andrea de cesaris?
SELECT AVG("Laps") FROM table_55851 WHERE "Driver" = 'andrea de cesaris'
SELECT AVG("Laps") FROM "table_55851" WHERE "Driver" = 'andrea de cesaris'