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Russell Simon Garcia ( born 20 June 1970 in Portsmouth , England ) is a former international field hockey player , who won a gold medal with Great Britain at the 1988 Summer Olympics in Seoul at the age of 18 years 3 months .
 Russell, Garcia, Portsmouth, England, Great Britain, Seoul
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Russell, Garcia, Portsmouth, England, Great Britain, Seoul