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: combination Limited Express/Structure store (now known as Express and Express Men, respectively) and Victoria's Secret. Link Information: Limited Brands, in 1980, opened the first Express store Answer: Victoria's Secret 
[A]: Has Express or Victoria's Secret existed longer?


[Q]: Context: The town continued to flourish under the Seljuk Empire, when the Seljuk ruler Ahmad Sanjar built the city a new wall Link Information: none Answer: none
[A]: What did Ahmad Sanjar build the wall out of?


[Q]: Context: In 1928 he began study at the University of Vienna, obtaining his doctorate in 1930 Link Information: none Answer: none
[A]:
Who is the president of the school where Smith obtained his doctorate?