Explain simply why Cate Blanchett is the correct answer to: Passage: In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett. In the movies, other than possessing the Ring Nenya, Galadriel displays an ability to communicate with others telepathically and to assume a radiant and terrifying appearance.

Question: Based on this passage, who played the elf queen in lord of the rings?. Explanation:

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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To answer the above question, the relevant sentence is: In Peter Jackson's Lord of the Rings trilogy and The Hobbit prequel trilogy, Galadriel is played by Cate Blanchett.