instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Joseph Addison and Richard Steele founded (in 1711), and Boris Johnson edited, which British magazine?
answer:
boris johnson


question:
Where on Prince Edward Island, Canada, is Anne of Green Gables located?
answer:
canada


question:
Which jockey won the 1981 UK Grand National on Aldaniti?
answer:

aldaniti