366393
Blackburne was the only candidate nominated , and was thus elected unopposed on 5 November 1875 .
 person: Blackburne
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: Blackburne 
Answer:
 person: Blackburne