Input question: What is studied in the science of cryogenics?

Output answer: very low temperature

Input question: What was the nationality of the team that first conquered K2 in 1954?

Output answer: italian

Input question: Who was the famous artist that painted 'The Haywain'?

Output answer: john constable

Input question: Who was revealed to be the fourth Russian spy in the Burgess, Philby and Maclean affair?

Output answer:
anthony blunt