claim: The ovary is part of the female reproductive system.
evidence: Austin `` Ocker '' Robertson -LRB- 21 November 1907 -- 6 May 1988 -RRB- was an Australian rules footballer who played with South Melbourne in the Victorian Football League -LRB- VFL -RRB- .. South Melbourne. Sydney Swans. Victorian Football League. Australian Football League. Robertson debuted with South Melbourne at the age of 18 and played for the club between 1927 and 1937 .. South Melbourne. Sydney Swans. He was well regarded as a key position player at both ends of the ground .. While at South Melbourne , he was also a world champion professional sprinter , winning the world title in 1930 .. South Melbourne. Sydney Swans. champion. champion. He missed out on South Melbourne 's 1933 premiership win because he was in America organising a head to head race with Eddie Tolan at the Chicago World 's Fair .. South Melbourne. Sydney Swans. Eddie Tolan. Eddie Tolan. However , when he arrived in the United States , Tolan was not in training and was unable to race .. During the 1937 season , Robertson was transferred to Perth by his employer , General Motors-Holden .. Perth. Perth Football Club. He was cleared to West Perth in the West Australian National Football League , and played there for the rest of 1937 .. West Perth. West Perth Football Club. West Australian National Football League. West Australian Football League. Perth. Perth Football Club. In 1938 , he switched to Perth , and served as its playing coach for the next two years .. Perth. Perth Football Club. General Motors returned Robertson to Victoria in 1940 and , despite expectations that he would return to South Melbourne , he signed with Victorian Football Association club Port Melbourne for a reported # 6 per week , and crossed without a clearance from South Melbourne .. South Melbourne. Sydney Swans. Victorian Football Association. Victorian Football Association. He played for Port Melbourne under the VFA 's throw-pass rules until 1941 .. throw-pass rules. throw-pass era. He was the youngest son of Mr and Mrs John Robertson , was educated at Xavier College Kew and married Dorothy McDonald in Elwood on 22 June 1940 .. His son , Austin Robertson Jr. was also a champion footballer .. champion. champion