Input question: The central financial City of London is known as the (What?) Mile?

Output answer: square

Input question: Who became the King of Sweden on 15 September 1973?

Output answer: king carl xvi gustaf

Input question: Which country is sometimes called the battlefield of Europe

Output answer: belgium

Input question: When Corporation Tax was first introduced in 1965, what was the basic rate? Was it 20%, 30% or 40% ?

Output answer:
40