Input question: During what war did Francis Scott Key write "The Star-Spangled Banner," which became the national anthem?

Output answer: 1812

Input question: Who wrote the 1969 novel 'The Godfather'?

Output answer: mario puzo

Input question: In which year did Saigon fall to end the Vietnam War, Margaret Thatcher become leader of the Conservative Party and General Franco die?

Output answer: 1975

Input question: In WWII, what was the allied Operation Husky, which began on 9th July 1943?

Output answer:
invasion of sicily