238235
It was held in Guangzhou , People 's Republic of China , from September 14 through September 20 , 2009 .
 Guangzhou, People 's Republic of China
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guangzhou, People 's Republic of China