instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
In 1864, the Dale Dyke Dam burst while being filled, leading to the death of 240 people in which British city?
answer:
dale dike reservoir

question:
In which city were the 1912 Olympic games held Oslo, Antwerp or Stockholm?
answer:
1912 summer olympics

question:
Which British author wrote the 1996 Booker winning novel Last Orders?
answer:
last orders