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Hwang Ryong-Hak is a North Korean wrestler who won the gold medal in the 66kg division in the 2013 Asian Wrestling Championships by defeating Yang Jae-Hoon of South Korea in the final .
 North Korean, South Korea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 North Korean, South Korea