Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

The French wine growing areas of Macon, Beaujolais and Chablis are in which region?
macon

In music, which band consists of Billy Gibbons, Dusty Hill and Frank Beard?
frank beard

Named after a French physicist, what is the SI unit of electrical charge?

electric charge