CREATE TABLE table_35602 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What's the total grid for someone with a time/retire of +44.831
SELECT COUNT("Grid") FROM table_35602 WHERE "Time/Retired" = '+44.831'
SELECT COUNT("Grid") FROM "table_35602" WHERE "Time/Retired" = '+44.831'