Input question: Who wrote the 1905 opera 'The Merry Widow'?

Output answer: franz lehar

Input question: Which country traditionally plays bouzouki music

Output answer: greece

Input question: In 1968 the Treaty of Tlatelolco was drafted by the nations of Latin America and the Caribbean to keep their region of the world free of what?

Output answer: nuclear weapons

Input question: Patrick Bateman is a serial killer and businessman in which novel by Brett Easton Ellis?

Output answer:
american psycho