CREATE TABLE table_203_723 (id DECIMAL, "year" DECIMAL, "song" TEXT, "us hot 100" DECIMAL, "us msr" DECIMAL, "us a.c." DECIMAL, "can" DECIMAL, "uk singles" DECIMAL, "album" TEXT)

what year did firehouse release their last single ?
SELECT MAX("year") FROM table_203_723
SELECT MAX("year") FROM "table_203_723"