You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Westminster_Abbey

Context:
Henry VII added a Perpendicular style chapel dedicated to the Blessed Virgin Mary in 1503 (known as the Henry VII Chapel or the "Lady Chapel"). Much of the stone came from Caen, in France (Caen stone), the Isle of Portland (Portland stone) and the Loire Valley region of France (tuffeau limestone).[citation needed]

Question:
Where did the Portland stone come from?

Isle of Portland