In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.
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Question: What kind of rose is used to make rose water?

Answer: Rosa × damascena


Question: Who sang the original version of let it rain?

Answer: Eric Clapton


Question: Who is the longest serving coach for vodafone warriors?

Answer:
Ivan Cleary