In this task, you are given a question. You have to answer the question based on your information.

[EX Q]: Who wrote a story recalling his adventures crossing the St. Lawrence Atlantic Railroad  with fellow students during the American Civil War?
[EX A]: C. A. Stephens

[EX Q]: Which Roman emperor was regarded as the third of the Five Good Emperors but is know for killing Saint Thamel?
[EX A]: Hadrian

[EX Q]: A hot air engine was based on a device by which English engineer and aeronautical legend?
[EX A]:
George Cayley