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.

Context: currently is the offensive coordinator and running backs coach at San Diego State University. He was the interim head coach at the University of Minnesota, Link Information: orton previously served as the head coach at the University of Nevada, Reno in 1993 and at the University of Nevada, Las Vegas Answer: University of Minnesota
Which is the oldest university that Jeff Horton has coached at?

Context: There he became close friends with the Scharwenka brothers, Xaver and Philipp Link Information: Franz Xaver Scharwenka (6 January 1850 Answer: Philipp
Who is the oldest Scharwenka brother?

Context: Black was head hunted and she became a literary agent at Curtis Brown. Link Information: Curtis Brown (Curtis Brown Literary and Talent Agency) is a literary and talent agency based in London, UK Answer: London

In what city did Black become a literary agent?