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Mitsukuni further established Mito 's status as a respected han by sponsoring the Dai Nihonshi in 1657 .
 Mitsukuni, Mito
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mitsukuni, Mito