Complex sentence: United Arab Emirates failed to win a single Olympic medal at these Games since Athens 2004, where Saeed's brother Ahmad Mohammad Hasher Al Maktoum won the gold for double trap shooting.
Split into simpler sentences: United Arab Emirates failed to win a single Olympic medal at these Games. They have not won a medal since Athens 2004, where Saeed's brother Ahmad Mohammad Hasher Al Maktoum won the gold for double trap shooting.