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.

Q: Context: Haydock was a graduate of Glasgow University Link Information: The Chancellor is the titular head of the university and President of the General Council Answer: Sir Kenneth Calman

A: Who is the current president of the university that Haydock graduated from?
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Q: Context: From 2006 to 2008, he a special assistant/offense and assistant offensive line coach for the St. Louis Rams of the National Football League (NFL), where he worked under head coach Scott Linehan. Horton coached the quarterbacks for the NFL's Detroit Lions in 2009. Link Information: as the St. Louis Rams from the 1995 through the 2015 seasons Answer: Detroit Lions

A: Which is the oldest NFL team that Horton coached with?
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Q: Context: On the same night, TNA were set to host their annual Sacrifice pay-per-view event, Link Information: Sacrifice (2016) (aka Impact Wrestling: Sacrifice) was a professional wrestling television special produced by Total Nonstop Action Wrestling (TNA), The show was taped on March 19, 2016 at the Impact Zone in Orlando, Florida and Aired on Pop TV on April 26, 2016. It was the tenth event under the Sacrifice chronology. Unlike the previous events, this event was not included on pay-per-view (PPV) and instead, was featured as a special edition of TNA's weekly broadcast of Impact Wrestling on Pop TV.

 Answer: 10

A:
How many years did the Sacrifice pay-per-view-event happen?
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