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: SIBLING REVELRY 
Clue: Dingane became King of the Zulus in 1828 after taking part in the murder of this king, his own brother

Answer: shaka


Question: Category: CHEMISTRY 
Clue: She had high school chemistry with Peter Jacobson, whom she married in 1978 & later helped create "The Nanny"

Answer: fran drescher


Question: Category: ENDANGERED ANIMALS 
Clue: The blood of this smallest member of the camel family has adapted to high altitudes

Answer:
vicuna