CREATE TABLE table_56884 ("Driver" CLOB, "Constructor" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT)

What is the mean number of laps for the constructor Ferrari when the time/retired was fuel pressure?
SELECT AVG("Laps") FROM table_56884 WHERE "Constructor" = 'ferrari' AND "Time/Retired" = 'fuel pressure'
SELECT AVG("Laps") FROM "table_56884" WHERE "Constructor" = 'ferrari' AND "Time/Retired" = 'fuel pressure'