52839
It should not be confused with North Railway Station on the Chengdu Metro situated underneath Chengdu Railway Station , which is also commonly called Chengdu North too by locals after the opening and upgrades of Chengdu East and Chengdu South .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None