Input question: The smallest province in South Africa is Gauteng. Which city is its capital?

Output answer: johannesburg

Input question: What organ is believed to have been part of the digestive system in our primitive ancestors, but seems to have no function in modern humans?

Output answer: appendix

Input question: Which city on the River Volga is the centre of the Caviar industry?

Output answer: astrakhan

Input question: Who is the landlady of Sherlock Holmes?

Output answer:
mrs hudson