instruction:
In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
question:
Context: he announced he had decided to support and vote for Mitt Romney for President, even while continuing to serve as a D.C. elector for Johnson. Link Information: Johnson was born on January 1, 1953, in Minot, North Dakota, Answer: North Dakota
answer:
What state is the candidate Barron served as an elector from?


question:
Context: His father was Army Medical Corps officer Major Walter Reed, namesake of the Walter Reed Army Medical Center. Link Information: Reed died in the Walter Reed Army Medical Center in 1956. Answer: 7
answer:
How many years after the medical center was named after his father did Reed die in the same center?


question:
Context: the islands played a small role in the Bering Sea Arbitration Link Information:  The sittings of the tribunal began in February 1893 and ended in August.  Answer: 6
answer:

How long did the arbitration in which the islands played a small role last?