CREATE TABLE table_204_573 (id DECIMAL, "#" DECIMAL, "title" TEXT, "performer ( s ) " TEXT, "film" TEXT, "length" TEXT)

what is the previous performer before the cheetah girls ?
SELECT "performer(s)" FROM table_204_573 WHERE "#" = (SELECT "#" FROM table_204_573 WHERE "performer(s)" = 'the cheetah girls') - 1
SELECT "performer(s)" FROM "table_204_573" WHERE "#" = (SELECT "#" FROM "table_204_573" WHERE "performer(s)" = 'the cheetah girls') - 1