CREATE TABLE table_204_654 (id NUMBER, "year" NUMBER, "song" CLOB, "u.s." NUMBER, "u.s.\ r&b" NUMBER, "u.s.\ ac" NUMBER, "uk" NUMBER, "album" CLOB)

which songs charted in the united states , but not the uk ?
SELECT "song" FROM table_204_654 WHERE NOT "u.s." IS NULL AND "uk" IS NULL
SELECT "song" FROM "table_204_654" WHERE "uk" IS NULL AND NOT "u.s." IS NULL