97659
Minorities included 326 Moldovans , 235 Russians , 319 Ukrainians , 549 Bulgarians , 1 Pole , 3 Roma and 33 ' other nationality ' .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None