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Biography Pierre Duval ( stage name ) was born Ovide Coutu , in Montréal , Québec , where he took voice lessons with Frank Rowe .
 Pierre Duval, Montréal, Québec
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Pierre Duval, Montréal, Québec