TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: What was the title of Britney Spears' second album (and the single that was released from it)?

SOLUTION: britney spears

PROBLEM: What horse won the 2009 Grand National?

SOLUTION: 2009 grand national

PROBLEM: In which country were elections planned for 1991 were stopped by the military (leading to Civil War), were held in 1995, and, in 1999, after a series of short-term military leaders, Abdelaziz Bouteflika was elected president?

SOLUTION:
abdelaziz bouteflika