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

what is the first track to have two performers ?
SELECT "title" FROM table_204_906 WHERE "performer" = 2 ORDER BY "#" LIMIT 1
SELECT "title" FROM "table_204_906" WHERE "performer" = 2 ORDER BY "#" NULLS FIRST LIMIT 1