Generate a correct and concise answer for the question based on the words in the context.
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Question: Context : The QBZ-95 was first observed outside China on 1 July 1997, when the United Kingdom transferred the sovereignty of Hong Kong to the People's Republic of China. 
Question : What year was QBZ-95 commissioned?

Answer: 1997


Question: Context : Karl Gustav von Sandrart (1817-1898) was a Prussian general in the Franco-Prussian War of 1870. 
Question : In what war did Karl Gustav von Sandrart fight?

Answer: Franco-Prussian War


Question: 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. 
Question : What university did Emanuel Herrmann attend?

Answer:
University of Vienna