TASK DEFINITION: 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.
PROBLEM: Context: There he became close friends with the Scharwenka brothers, Xaver and Philipp Link Information: Franz Xaver Scharwenka (6 January 1850 Answer: Philipp

SOLUTION: Who is the oldest Scharwenka brother?

PROBLEM: Context: The adultery occurred at Haddington Abbey and Crichton Castle. Link Information: In the late 14th century John de Crichton (d.1406) built a tower house here as his family residence. Answer: 1406

SOLUTION: When was the castle where the adultry of Jean Gordon's husband occured built?

PROBLEM: Context: the Louisiana State University in Baton Rouge Link Information: As of the U.S. Census Bureau's July 2018 estimate, Baton Rouge had a population of 221,599 Answer: 221,599

SOLUTION:
What's the population of the city where LSU is located?