instruction:
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'.
question:
Context: His voice can be heard in the digital collectible card game by Blizzard Entertainment, Hearthstone. Link Information: none Question: Who is the CEO of the company that produced Hearthstone?
answer:
Answer: none


question:
Context: She visited Harvard Medical School in 1946 to perform research and returned to the UK in 1948. Link Information: Harvard Medical School (HMS) is the graduate medical school of Harvard University. It is located in the Longwood neighborhood of Boston, Massachusetts. Question: In what city is the university where Beloff traveled to in 1946 to perform research?
answer:
Answer: Boston


question:
Context: before agreeing to drive the car of PSV Eindhoven in the Superleague Formula series. He replaced Dominick Muermans in the car, with the team lying eighteenth in the overall standings. Link Information: Dominick raced full-time in the Atlantic Championship in the 2008 season Question: How long was the racing career of the driver who van Dam replaced in the car of  PSV Eindhoven?
answer:

Answer: 2