60633
He then formed the jazz-rock combo Opus III with the guitarist Janne Schaffer and by 1970 had become one of the most sought after session drummers in Stockholm .
 person: Janne Schaffer; location: Stockholm
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: Janne Schaffer, Stockholm 
Answer:
 person: Janne Schaffer; location: Stockholm