CREATE TABLE table_203_339 (id DECIMAL, "year" TEXT, "car" DECIMAL, "start" DECIMAL, "qual" DECIMAL, "rank" DECIMAL, "finish" DECIMAL, "laps" DECIMAL, "led" DECIMAL, "retired" TEXT)

what year -lrb- s -rrb- did parnelli finish at least 4th or better ?
SELECT "year" FROM table_203_339 WHERE "finish" <= 4
SELECT "year" FROM "table_203_339" WHERE "finish" <= 4