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Raffo is considered to be one of the greatest goalscorers in the history of the Ecuadorian football , but the precise number of goals he scored will probably never be known , due to poor record keeping in the early 1950s .
 Raffo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Raffo