CREATE TABLE table_70674 ("Year" TEXT, "Start" TEXT, "Qual" TEXT, "Rank" TEXT, "Finish" TEXT, "Laps" FLOAT)

What car had the fewest laps with a qual of 138.750?
SELECT MIN("Laps") FROM table_70674 WHERE "Qual" = '138.750'
SELECT MIN("Laps") FROM "table_70674" WHERE "Qual" = '138.750'