instruction:
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.
question:
Martin, Mandy and Mathew were flatmates in which comedy series?
answer:
game on


question:
In the Shakespeare play 'Macbeth', which character carries Macbeth's head on stage?
answer:
macduff


question:
Who wrote the opera 'The Girl of the Golden West'?
answer:

giacomo puccini