input question: The American Thoroughbred race horse Birdstone won which leg of the Triple Crown in 2004????
output answer: the third and final leg

input question: What unreleased song's tune was re-used in a song which appeared on the 1971 album 'Imagine' by John Lennon????
output answer: Child of Nature

input question: For which college did both Christian McCaffrey and his father Ed McCaffrey play football for????
output answer: Stanford University

input question: While working on "The Lord of the Rings", Greg Butler worked on the effects for a fictional character first imagined by what famous author????
output answer:
J. R. R. Tolkien