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Doug Green ( born 28 October 1951 ) is a former Australian rules football er who played for East Fremantle in the WANFL during the 1970s .
 Doug Green, East Fremantle, WANFL
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Doug Green, East Fremantle, WANFL