Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
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Question: At the end of every episode of Lifestyles of the Rich and Famous, who wished the viewer champagne wishes and caviar dreams?

Answer: robin leach


Question: Which is the penultimate letter of the Greek alphabet?

Answer: psi


Question: In the Harry Potter series of books, who teaches Potions at Hogwarts School?

Answer:
severus snape