CREATE TABLE table_204_906 (id DECIMAL, "#" DECIMAL, "title" TEXT, "songwriters" TEXT, "producer ( s ) " TEXT, "performer" TEXT)

which performance was last on this album ?
SELECT "title" FROM table_204_906 ORDER BY "#" DESC LIMIT 1
SELECT "title" FROM "table_204_906" ORDER BY "#" DESC NULLS LAST LIMIT 1