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In 2001 , the year he turned professional , Deaker refereed his first international rugby match , taking charge of the match between Wales and Japan on 17 June 2001 .
 Deaker, Wales, Japan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Deaker, Wales, Japan