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: 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
[A]: When was the Stambol Gate built?


[Q]: Context: During the Scottish Wars of Independence, Sir Simon Fraser, known as "the Patriot", fought first with the Red Comyn, and later with Sir William Wallace and Robert the Bruce. Link Information: none Answer: none
[A]: Which of the people that  Sir Simon Fraser fought with during the Scottish Wars of Independence was the oldest?


[Q]: Context: Continuous weather observations have been maintained for the city of Boise since February 1, 1864 about 5 months after the U.S. Army established Fort Boise. Link Information: Boise's mayor, David H. Bieter, is of Basque descent Answer: David H. Bieter
[A]:
Who is the current mayor of the city where the weather was continuously monitored after the U.S. Army established a fort?