instruction:
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.
question:
Who has the most championship in the nfl?
answer:
Green Bay Packers


question:
What part of ireland is still under british rule?
answer:
northeast of the island of Ireland


question:
When did world war 2 become a world war?
answer:

1939