90592
From 1966 to 1968 , he worked for clarinetist Acker Bilk .
 person: Acker Bilk
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: Acker Bilk 
Answer:
 person: Acker Bilk