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

[Q]: In 1864, the Dale Dyke Dam burst while being filled, leading to the death of 240 people in which British city?
[A]: dale dike reservoir


[Q]: Chris Martin is the lead vocalist and rhythm guitarist with which group?
[A]: chris martin


[Q]: The Paragons originally recorded which 1980 hit single by Blondie?
[A]:
blondie