85736
In May 1967 he resigned from Parliament to become chairman of the North of Scotland Hydro-Electric Board .
 organization: North of Scotland Hydro-Electric Board
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: North of Scotland Hydro-Electric Board 
Answer:
 organization: North of Scotland Hydro-Electric Board