Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

What is the name of the actress who had become famous for her role as the possessed girl, Regan, in the 1973 film The Exorcist?
linda blair

'Forty Years On' is the title of the first West End play by which British playwright?
alan bennett

September 1, 1939 saw the start of World War II when Germany invaded what country?
poland