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 won the title of miss world 2000?
answer:
Priyanka Chopra


question:
The most important mineral product of northern chile is?
answer:
copper


question:
Who was president when the white house burnt down?
answer:

President James Madison