90390
His first compositional works were a string quartet , created in 1963 during his studies in Baku conservatory , and a symphony , written in 1965 .
 location: Baku
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: Baku 
Answer:
 location: Baku