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History European discovery of the Gulf Stream dates to the 1513 expedition of Juan Ponce de León , after which it became widely used by Spanish ships sailing from the Caribbean to Spain .
 Juan Ponce de León
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Juan Ponce de León