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 sings hawaiian version of over the rainbow?
answer:
Israel Kaʻanoʻi Kamakawiwoʻole


question:
How much money does tourism bring to canada?
answer:
$17.4 billion


question:
Who is dr torres on grey's anatomy?
answer:

Sara Elena Ramírez