41584
As a member of 50PLUS he was an MP between 20 September 2012 and 23 March 2017 .
 50PLUS
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 50PLUS