CREATE TABLE table_204_697 (id DECIMAL, "song" TEXT, "artist ( s ) " TEXT, "concert" DECIMAL, "film" DECIMAL, "1978 album" DECIMAL, "2002 album" DECIMAL)

how many songs did joni mitchell perform ?
SELECT COUNT("song") FROM table_204_697 WHERE "artist(s)" = 'joni mitchell'
SELECT COUNT("song") FROM "table_204_697" WHERE "artist(s)" = 'joni mitchell'