CREATE TABLE table_71709 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the grid total associated with a Time/Retired of +33.634, and a Laps smaller than 19?
SELECT MIN("Grid") FROM table_71709 WHERE "Time/Retired" = '+33.634' AND "Laps" < '19'
SELECT MIN("Grid") FROM "table_71709" WHERE "Laps" < '19' AND "Time/Retired" = '+33.634'