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He clinched a bronze medal in the 1500 m freestyle at the 2003 Southeast Asian Games in Hanoi , Vietnam with a time of 16:07.22 .
 Hanoi , Vietnam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hanoi , Vietnam