CREATE TABLE table_203_244 (id DECIMAL, "pos" TEXT, "rider" TEXT, "manufacturer" TEXT, "time/retired" TEXT, "points" DECIMAL)

which rider scored the least amount of points ?
SELECT "rider" FROM table_203_244 ORDER BY "points" LIMIT 1
SELECT "rider" FROM "table_203_244" ORDER BY "points" NULLS FIRST LIMIT 1