182073
Political ties Relations became strained after Zelimkhan Yandarbiyev was assassinated in Qatar on 13 February 2004 .
 Zelimkhan Yandarbiyev, Qatar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Zelimkhan Yandarbiyev, Qatar