157649
From 1956 to 1960 he was a national board member , from 1962 to 1965 he was a secretary , from 1965 to 1979 he was treasurer and from 1979 to 1987 he was chairman .
 None
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:  
Answer:
 None