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He competed at the 1976 Summer Olympics in Montreal , where he won the gold medal in the Tempest class , together with Ingvar Hansson .
 Montreal, Ingvar Hansson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Montreal, Ingvar Hansson