CREATE TABLE table_203_491 (id NUMBER, "year" NUMBER, "title" CLOB, "us hot 100" NUMBER, "us modern rock" NUMBER, "us mainstream rock" NUMBER, "album" CLOB)

which album had the most singles releases ?
SELECT "album" FROM table_203_491 GROUP BY "album" ORDER BY COUNT("title") DESC LIMIT 1
SELECT "album" FROM "table_203_491" GROUP BY "album" ORDER BY COUNT("title") DESC FETCH FIRST 1 ROWS ONLY