instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
The bells were ringing for Chuck Berry when this song made it to No1. His first and only British No. 1. What song?
answer:
chuck berry

question:
In which wars did the battles of Towton and Barnet take place?
answer:
battle of barnet

question:
What game, created in 1904 by a quaker, Elizabeth (Lizzie) Phillips, when revised by Charles Darrow and others became one of the world's most played commercial board games?
answer:
charles darrow