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:
Because the fourth movement is a variation on one of the composer's earlier works concerning a particular creature, by what name is Franz Schubert's 'Piano Quintet in A major' better known?
answer:
trout quintet


question:
Lester B. Pearson Airport serves which Commonwealth city?
answer:
toronto


question:
In which country was actor Mel Gibson born?
answer:

america