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He won a bronze medal in the men 's rapid fire pistol at the 2011 ISSF World Cup series in Changwon , South Korea , with a total score of 580 points and a bonus of 20 from the final , earning him a spot on the Spanish team for the Olympics .
 Changwon, 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:
 Changwon, South Korea