Input question: Who had his capital at Xanadu?

Output answer: kublai khan

Input question: Which city is in the Chao Phraya River delta?

Output answer: bangkok thailand

Input question: In which U.S. state was the first nuclear bomb tested?

Output answer: new mexico

Input question: Who, by winning the 1904 Prize for Medicine, became the first Russian to win a Nobel Prize?

Output answer:
ivan pavlov