74246
He also fought at Contreras , Churubusco , and Chapultepec and was wounded at the last .
 Contreras, Churubusco, Chapultepec
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Contreras, Churubusco, Chapultepec