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The Chairman 's Stakes is a South Australian Jockey Club Group 3 Thoroughbred horse race for horses aged three years old , at set weights , over a distance of 2,000 metres at the Morphettville Racecourse in the Autumn Carnival .
 organization: South Australian Jockey Club
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: South Australian Jockey Club 
Answer:
 organization: South Australian Jockey Club