61450
He was also the member of the Chinese People 's Political Consultative Conference National Committee , Hong Kong Housing Authority and councilor of the Hong Kong Polytechnic University .
 Chinese People 's Political Consultative Conference, Hong Kong Housing Authority, Hong Kong Polytechnic University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Chinese People 's Political Consultative Conference, Hong Kong Housing Authority, Hong Kong Polytechnic University