73435
In 1835 he became concert master ( Konzertmeister ) at the Gewandhaus in Leipzig and in 1843 professor of violin ( Violinlehrer ) at the Leipziger Konservatorium .
 location: Leipzig
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: Leipzig 
Answer:
 location: Leipzig