206489
A by-election was held on 19 June 1950 in which Nowlan defeated Elderkin .
 person: Nowlan; person: Elderkin
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: Nowlan, Elderkin 
Answer:
 person: Nowlan; person: Elderkin