10850
He eventually hung his boots up at the end of the 2007 – 08 season having spent his final season as player coach helping his former understudy Dean Gerken .
 person: Dean Gerken
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: Dean Gerken 
Answer:
 person: Dean Gerken