58553
The prize is named after George Van Biesbroeck who himself continued to work as an active astronomer for 27 years after " retirement " at age 65 .
 person: George Van Biesbroeck
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: George Van Biesbroeck 
Answer:
 person: George Van Biesbroeck