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

how long is the song remixed by y front ?
SELECT "length" FROM table_204_804 WHERE "remixed by" = 'y-front'
SELECT "length" FROM "table_204_804" WHERE "remixed by" = 'y-front'