Information:  - Horse racing is an equestrian performance sport, involving two or more jockeys riding horses over a set distance for competition. It is one of the most ancient of all sports and its basic premise  to identify which of two or more horses is the fastest over a set course or distance  has remained unchanged since the earliest times.  - A jockey is someone who rides horses in horse racing or steeplechase racing, primarily as a profession. The word also applies to camel riders in camel racing.  - William Cross Yuille ( 28 March 1819 -- 19 July 1894 ) was a Scottish Australian pastoralist notable as , after immigrating to Australia , as a founder of Ballarat as well as for his role in the establishment of the Victorian horse racing .    What entity does 'william cross yuille' has the relation 'occupation' with?
jockey