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 : HD 202259 is a suspected variable star in the equatorial constellation of Aquarius. 
Answer : Aquarius
[EX A]: What constellation is home to HD 202259?

[EX Q]: Context : After graduating with a law doctorate from the University of Vienna, Emanuel Herrmann, the son of the Bezirkshauptmann (district administrator) of Klagenfurt, entered the civil service in the Austrian ministry of commerce and qualified for a university career as a ``Privatdozent'' in the field of national economics. 
Answer : University of Vienna
[EX A]: What university did Emanuel Herrmann attend?

[EX Q]: Context : Service Modeling Language (SML) and Service Modeling Language Interchange Format (SML-IF) are a pair of XML-based specifications created by leading information technology companies that define a set of XML instance document extensions for expressing links between elements, a set of XML Schema extensions for constraining those links, and a way to associate Schematron rules with global element declarations, global complex type definitions, and/or model documents. 
Answer : XML
[EX A]:
The Service Modeling Language is based upon what?