21600
In 1952 Davidge competed for Great Britain , rowing at the 1952 Summer Olympics in Helsinki .
 person: Davidge; location: Helsinki
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: Davidge, Helsinki 
Answer:
 person: Davidge; location: Helsinki