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: What is the name of the tiger in the 2001 novel 'Life of Pi'?

Answer: richard parker


Question:  'Every Little Thing She Does is Magic' was a 1981 hit single for which band?

Answer: the police


Question: In which 18th century ballad opera do the characters MacHeath, Jenny Diver and Sukey Tawdrey appear?

Answer:
the beggar's opera