7068
Since the advantageous location , many important traffice ways pass through Longchang , like the Chengdu – Chongqing Railway , highway , public road , East Chuanyun ( Sichuan to Yunnan ) road , Longna ( Longchang to Luzhou ) highway , Longya ( Longchang to Ya'an ) road , Longhuang ( Longchang to Huangtong Guizhou ) rail way .
 Sichuan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sichuan