36407
Until the birth of Prince Hisahito , son of Prince Akishino , on September 6 , 2006 , there was a potential succession problem , since Prince Akishino was the only male child to be born into the imperial family since 1965 .
 person: Hisahito; person: Akishino; person: Akishino
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Hisahito, Akishino, Akishino 
Answer:
 person: Hisahito; person: Akishino; person: Akishino