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Daocheng County or Dapba in Tibetan ( ; ) , historically Daoba ( ) , is a county of western Sichuan Province , China , located in the eastern Hengduan Mountains .
 Tibetan, Sichuan Province
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tibetan, Sichuan Province