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.

Ex Input:
What year is c in a vin number?

Ex Output:
1982, 2012


Ex Input:
Who plays alex von strucker in agents of shield?

Ex Output:
Spencer Treat Clark


Ex Input:
Where is the csf found in the spinal cord?

Ex Output:

subarachnoid space and the central canal