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 the term great britain come into use?

SOLUTION: 1474

PROBLEM: What is the capital city of northern island?

SOLUTION: What is the capital city of Northern Ireland?

PROBLEM: Who played the dad in casper the friendly ghost?

SOLUTION:
Bill Pullman