You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: EUROPEAN LITERARY CLASSICS 
Clue: In this 1832 German work, the title character is followed home by a poodle that changes into something evil
[A]: faust


[Q]: Category: WORLD HISTORY 
Clue: City that was the seat of government of the viceroyalty of New Spain
[A]: mexico city


[Q]: Category: RULERS 
Clue: Though he was already emperor of one country, Franz Joseph was crowned in this city June 8, 1867
[A]:
budapest