CREATE TABLE table_204_804 (id DECIMAL, "version" TEXT, "length" TEXT, "album" TEXT, "remixed by" TEXT, "year" DECIMAL, "comment" TEXT)

how long is the radio edit of this song ?
SELECT "length" FROM table_204_804 WHERE "version" = 'radio edit'
SELECT "length" FROM "table_204_804" WHERE "version" = 'radio edit'