CREATE TABLE table_56485 ("Grid" FLOAT, "Constructor" CLOB, "Qual" FLOAT, "Rank" FLOAT, "Laps" FLOAT, "Time/Retired" CLOB)

What is the smallest grid with a Time/Retired of engine, and a qual of less than 138.75?
SELECT MIN("Grid") FROM table_56485 WHERE "Time/Retired" = 'engine' AND "Qual" < '138.75'
SELECT MIN("Grid") FROM "table_56485" WHERE "Qual" < '138.75' AND "Time/Retired" = 'engine'