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Ruslan Tagirovich Khuchbarov ( November 12 , 1972 – September 3 , 2004 ) , sometimes spelled Khochubarov , was an Ingush man presumed to be the Islam ic militant nicknamed " Polkovnik " ( the Russian for Colonel ) notorious for his leading role in the 2004 Beslan school hostage crisis .
 Ruslan, Khuchbarov
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ruslan, Khuchbarov