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It was formerly known as Estádio Municipal de Guimarães , and before that as the Estádio D. Afonso Henriques .
 Guimarães, Afonso Henriques
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Guimarães, Afonso Henriques