TASK DEFINITION: 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.
PROBLEM: Category: A WORLD OF OPERA 
Clue: "Hunyadi Laszlo" is one of this country's best-loved operas

SOLUTION: hungary

PROBLEM: Category: SWITZERLAND 
Clue: Swiss banks store heaps of gold in vaults below the Bahnhofstrasse, an elegant street in this city

SOLUTION: zurich

PROBLEM: Category: IMAGINARY LAW FIRMS 
Clue: This firm whose members use their first names stands for ordinary people in the street

SOLUTION:
tom, dick & harry