Question: who are all the wizards in lord of the rings
[{'answer': 'Saruman', 'provenance': [{'wikipedia_id': '23141947', 'title': 'Wizard (Middle-earth)', 'start_paragraph_id': 2, 'start_character': 208, 'end_paragraph_id': 2, 'end_character': 215, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Gandalf', 'provenance': [{'wikipedia_id': '23141947', 'title': 'Wizard (Middle-earth)', 'start_paragraph_id': 2, 'start_character': 243, 'end_paragraph_id': 2, 'end_character': 250, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Radagast', 'provenance': [{'wikipedia_id': '23141947', 'title': 'Wizard (Middle-earth)', 'start_paragraph_id': 2, 'start_character': 290, 'end_paragraph_id': 2, 'end_character': 298, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23141947', 'title': 'Wizard (Middle-earth)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1032, 'bleu_score': 0.954535652893516, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15781794502260825702}, 'section': 'Section::::Abstract.'}]}]