TASK DEFINITION: In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
PROBLEM: When did brazil win their last world cup?

SOLUTION: 30 June 2002

PROBLEM: Who did shane harper play in high school musical 2?

SOLUTION: a dancer

PROBLEM: Who is the director of the film avatar?

SOLUTION:
James Francis Cameron CC