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 consistency, answers should be in all lower cased letters.
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Question: Category: KEANU, ASHTON OR EINSTEIN 
Clue: Born in Beirut, Lebanon

Answer: keanu


Question: Category: FILTHY RICH 
Clue: Worth over $15 billion, Robson, son of Sam, runs this company, the USA's largest private employer

Answer: wal-mart


Question: Category: STARTS WITH "END" 
Clue: A bequest or gift, especially to a university

Answer:
an endowment