You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
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Question: Category: QUEEN ELIZABETH II 
Clue: It's Queen Elizabeth's official London residence

Answer: buckingham palace


Question: Category: IT'S A GROUP THING 
Clue: (Sarah of the Clue Crew reports from Sea World in San Diego)  It's a term for a stable group of killer whales, so you could say "as alike as two whales in" one of these

Answer: a pod


Question: Category: TASTE TREATS? 
Clue: Have all the wildebeest you can eat at the Carnivore Restaurant in this Kenyan capital

Answer:
nairobi