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:
The company 'Longines' are famous for manufacturing which luxury items?
answer:
watch

question:
Three of the Galilean moons of Jupiter are Io, Europa and Callisto. Which is the fourth?
answer:
ganymede

question:
Who wrote the music of the German national anthem ?
answer:
joseph haydn