18967
Emperor Tsuchimikado succeeds Emperor Go-Toba on the throne of Japan .
 Emperor Tsuchimikado, Emperor Go-Toba, Japan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Emperor Tsuchimikado, Emperor Go-Toba, Japan