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Track listing Charts Frankie Negrón version In 1997 , American salsa singer , Frankie Negrón covered " Inolvidable " as his debut single .
 Frankie Negrón, Frankie Negrón
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frankie Negrón, Frankie Negrón