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 was the presiding officer at the constitutional convention?
answer:
George Washington


question:
When did canadian tire buy mark work wearhouse?
answer:
2001


question:
Where did the battle of berlin take place?
answer:

Berlin from the east and south, while a third overran German forces positioned north of Berlin