Imagine a question and stream-of-consciousness explanation for which this is the answer: Spanish

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Question: Saavedra is a Spanish surname.

Where did the last name saavedra come from?
Stream-of-consciousness: The relevant sentence in the passage is: Saavedra is a Spanish surname.