Input question: In the Harry Potter series, what is the name of the soul sucking guards from Azkaban?

Output answer: dementors

Input question: b Who was the country music singer who gave up his seat to the Big Bopper on the plane that crashed, killing Buddy Holly in 1959?

Output answer: waylon jennings

Input question: Which 19 century Prime Minister is the only PM to have served 4 terms ?

Output answer: william gladstone

Input question: Who commanded the English fleet against the Spanish Armada?

Output answer:
lord howard of effingham