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.

Which is the penultimate letter of the Greek alphabet?
psi

When George Formby sang the lines: 'It may be sticky, but I never complain, I like to have a nibble at it now and again', to what was he ostensibly referring?
my little stick of blackpool rock

Who was the wife of King Henry III of England?

eleanor of provence