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:
Who was on the throne of England in 1472?
answer:
edward iv of england


question:
Which stage and screen actor was born in Huyton, Liverpool in 1908?
answer:
rex harrison


question:
The song Piper at the Gates of Dawn appears on the 1997 album 'The Healing Game', by which artist?
answer:

van morrison