Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

[EX Q]: Context : George Armistead (April 10, 1780 -- April 25, 1818) was an American military officer who served as the commander of Fort McHenry during the Battle of Baltimore in the War of 1812.
Answer : Battle of Baltimore
[EX A]: What war or battle involved George Armistead?

[EX Q]: Context : Satanikhil massacre refers to the massacre of Bengali Hindu intellectuals on 14 May 1971 on the banks of Satanikhil canal in Dhaka district by the Pakistan armed forces.
Answer : 14 May 1971
[EX A]: What date is associated with Satanikhil massacre?

[EX Q]: Context : PyGTK is a set of Python wrappers for the GTK+ graphical user interface library.
Answer : GTK+
[EX A]:
The PyGTK is based upon what?