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Trần Văn Giáp ( Hanoi , 1902 - 25 November 1973 ) was a Vietnamese historian who wrote the first widely published histories of Buddhism in Vietnam in French .
 Hanoi
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hanoi