Complex sentence: Colm O'Donoughue (born 22 June 1958) is an Irish flat jockey who rode Golden Sword to victory in the 2009 running of the Chester Vase.
Split into simpler sentences: Colm O'Donoughue (born 22 June 1958) is an Irish flat jockey. He rode Golden Sword to victory in the 2009 running of the Chester Vase.