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:
What silver-grey/gray metallic element used in high strength steels has the symbol Mo?
answer:
molybdenum


question:
Lundy Island is in which body of water?
answer:

bristol channel