Input question: Which defence structures, originally against Napoleon, were inspired by the Corsican original?

Output answer: martello towers

Input question: Into what sea does the Volga River flow?

Output answer: caspian sea

Input question: What nationality was the painter Edvard Munch

Output answer: norwegian

Input question: The Buddy Holly song That'll Be the Day is said to have been inspired by what John Wayne film?

Output answer:
searchers