122760
About half a million people , both military and civilians from Latvia , Estonia , Pskov and Novgorod fled from the advancing Nazis and came to Leningrad at the beginning of the war .
 location: Leningrad
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: Leningrad 
Answer:
 location: Leningrad