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:
What is the name of Humphrey Bogart's character in the film 'Casablanca'?
answer:
rick blaine

question:
What country is home to Kenai Fjords National Park?
answer:
united states

question:
What's the nationality of golfers Ernie Els and Gary Player?
answer:
south africa