In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

Q: what type of stone did the romans use

A: Travertine limestone
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Q: who plays the queen of thorns in game of thrones

A: Diana Rigg
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Q: who played lord voldemort in harry potter series

A:
Ralph Fiennes
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