74680
He was the men 's heavyweight champion at the 7th World Taekwondo Championships in 1985 , becoming the first non-Korean to win a world title in taekwondo in South Korea .
 Taekwondo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Taekwondo