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Simeon " Blind Simmie " Dooley ( July 3 , 1881 - January 17 , 1961 ) was an American country blues singer and guitarist .
 Blind Simmie, Dooley, American
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Blind Simmie, Dooley, American