3014
He held this position until 1907 , when , after death of Ernesto Köhler , he became the soloist of the Mariinsky Theater in Sankt-Petersburg .
 person: Ernesto Köhler; location: Sankt-Petersburg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ernesto Köhler; location: Sankt-Petersburg