31822
Swimming in heat seven , he rounded out a field of seven swimmers to last place and thirty-sixth overall by 0.45 of a second behind winner Jiang Chengji of China in 23.27 .
 Jiang Chengji
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jiang Chengji