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:
Whose opera La gazza ladra premiered in 1817?
answer:
gioachino rossini


question:
Who painted The Haywain?
answer:
john constable


question:
What is the name of the legendary sea monster, with a name meaning 'Octopus', that was said to have dwelled off the coasts of Norway and Iceland?
answer:

kraken