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: s shown on the map of Belgrade by Nicolas François de Spar, the Tsarigrad Road began at the Württemberg Gate (Stambol Gate), Link Information: none Answer: none
When was the Stambol Gate built?

Context: In the 1880s, he also attended Columbian College (now George Washington University) for medicine, Link Information: The George Washington University (GW or GWU) is a private research university in Washington, D.C. Answer: Washington, D.C.
What city was George Washington University located?

Context: It was Houseman's American acting debut, and he would not appear onscreen again until his Oscar-winning role in The Paper Chase (1973) Link Information: John Houseman (born Jacques Haussmann; September 22, 1902 – October 31, 1988)  Answer: 71

How old was John Houseman when The Paper Chase was released?