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Villa , who stood only 5 feet and 1 inch ( 154 cm ) tall and never weighed more than 114 pounds ( 51 kg ) , rose from obscurity to win the World Flyweight Championship in 1923 , earning acclaim in some quarters as " the greatest Asian fighter in boxing history . "
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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:
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