In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
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Question: Context: the Tenth a Link Information: none Question: What role did the actor portraying the tenth doctor follow his run on the show with?

Answer: Answer: none

Question: Context: where it turns eastward and northeastward, flowing across the northern Great Plains past the city of Billings Link Information: none Question: Who is the current mayor of the city located on the northern Great Plains that the Yellowstone River flow through?

Answer: Answer: none

Question: Context: From Botevgrad to Sofia, E79 joins Hemus motorway, designated A2. At the Bulgarian capital Sofia you have to enter the Ring Road, until Sofia Northern Bypass motorway Link Information: The PravetsYablanitsa section of the Hemus motorway was officially opened on 5 December 1999. Question: Which was built first, the Hemus motorway or the Sofia Northern Bypass motorway?

Answer:
Answer: Hemus motorway