54710
The works on the fences ' creation began in the second half of 18th century ( 1770 – 1784 ) following the project of Yury Felten .
 person: Yury Felten
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: Yury Felten 
Answer:
 person: Yury Felten