instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
What name was given to the 1950-60s mainstream country music style of artists including Patsy Cline, Tammy Wynette, Jim Reeves, and Charlie Rich?
answer:
charlie rich


question:
Which alliteratively-named politician served as Abraham Lincoln's Vice-President between 1861 and 1865?
answer:
abraham lincoln


question:
Alan Minter was undisputed World boxing champion at which weight?
answer:

alan minter