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

Ex Input:
And Another Thing... by Eoin Colfer, published in 2009, eight years after the death of the author of the first five, is described as the sixth in which trilogy of books?

Ex Output:
and another thing...

Ex Input:
'Dookie' and '21st. Century Breakdown' are albums by which American rock band?

Ex Output:
21st century breakdown

Ex Input:
What is the nickname of the frontiersman Nathaniel Poe, played by Daniel Day Lewis, in the 1992, film 'The Last of the Mohicans'?

Ex Output:
the last of the mohicans