CREATE TABLE table_55434 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

what is the time/retired when the constructor is maserati and the laps is 90?
SELECT "Time/Retired" FROM table_55434 WHERE "Constructor" = 'maserati' AND "Laps" = '90'
SELECT "Time/Retired" FROM "table_55434" WHERE "Constructor" = 'maserati' AND "Laps" = '90'