18674
He was returned as Tory MP for Wigan from 1820 to 1825 .
 organization: Wigan
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: Wigan 
Answer:
 organization: Wigan