CREATE TABLE table_204_853 (id DECIMAL, "pos" DECIMAL, "grid" DECIMAL, "no." DECIMAL, "driver" TEXT, "team" TEXT, "manufacturer" TEXT, "laps" DECIMAL, "points" DECIMAL)

who was in the last position ?
SELECT "driver" FROM table_204_853 ORDER BY "pos" DESC LIMIT 1
SELECT "driver" FROM "table_204_853" ORDER BY "pos" DESC NULLS LAST LIMIT 1