CREATE TABLE table_57383 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the sum of grids with an engine in Time/Retired with less than 45 laps for Giancarlo Baghetti?
SELECT SUM("Grid") FROM table_57383 WHERE "Time/Retired" = 'engine' AND "Laps" < '45' AND "Driver" = 'giancarlo baghetti'
SELECT SUM("Grid") FROM "table_57383" WHERE "Driver" = 'giancarlo baghetti' AND "Laps" < '45' AND "Time/Retired" = 'engine'