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Tenacious was bred and raced by Dorothy Dorsett Brown , wife of Joe W. Brown , a prominent Louisiana oilman and owner of the Horseshoe Club Casino in Las Vegas , Nevada .
 Louisiana, Las Vegas , Nevada
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Louisiana, Las Vegas , Nevada