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Bengt Berger ( b. August 31 , 1942 in Stockholm , Sweden ) is a Swedish jazz musician ( drummer ) , composer and producer .
 Bengt Berger, Stockholm , Sweden, Swedish
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bengt Berger, Stockholm , Sweden, Swedish