Question: who played the elf queen in lord of the rings
[{'answer': 'Cate Blanchett', 'provenance': [{'wikipedia_id': '23140073', 'title': 'Galadriel', 'start_paragraph_id': 39, 'start_character': 104, 'end_paragraph_id': 39, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Adaptations.\n'}]}, {'provenance': [{'wikipedia_id': '23140073', 'title': 'Galadriel', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 294, 'bleu_score': 0.9569637990759251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1040421416028294613}, 'section': 'Section::::Adaptations.\n'}]}]