CREATE TABLE table_203_804 (id DECIMAL, "pos" TEXT, "no" DECIMAL, "driver" TEXT, "constructor" TEXT, "laps" DECIMAL, "time/retired" TEXT, "grid" DECIMAL)

which driver completed the least number of laps ?
SELECT "driver" FROM table_203_804 ORDER BY "laps" LIMIT 1
SELECT "driver" FROM "table_203_804" ORDER BY "laps" NULLS FIRST LIMIT 1