49131
A plan in 2001 to introduce a third overlay code to both service areas ( Chinatown to 215 , paifang to 610 ) was delayed and later rescinded .
 Chinatown
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chinatown