CREATE TABLE table_204_56 (id NUMBER, "year" NUMBER, "song" CLOB, "us r&b" NUMBER, "us rap" NUMBER, "album" CLOB)

songs by del the funky homosapien that were within the top 30 rap singles chart -lrb- us -rrb-
SELECT "song" FROM table_204_56 WHERE "us rap" <= 30
SELECT "song" FROM "table_204_56" WHERE "us rap" <= 30