Input question: Eaton Hall in Cheshire has been the seat of which ducal family since the 1440's

Output answer: duke of westminster

Input question: What type of bird is a 'Lammergeier'?

Output answer: vulture

Input question: The Covenant are fictional military alien races in which game series?

Output answer: halo

Input question: Texas Hold 'Em is a variation of which card game?

Output answer:
poker