130499
As of early 2009 there were close to 480 active insurgents situated in the mountains under leadership of field commander Doku Umarov , according to official data .
 Doku Umarov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Doku Umarov