Question: who are the two blue wizards in middle earth
[{'answer': 'Alatar', 'provenance': [{'wikipedia_id': '356123', 'title': 'Blue Wizards', 'start_paragraph_id': 2, 'start_character': 311, 'end_paragraph_id': 2, 'end_character': 317, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Pallando', 'provenance': [{'wikipedia_id': '356123', 'title': 'Blue Wizards', 'start_paragraph_id': 2, 'start_character': 322, 'end_paragraph_id': 2, 'end_character': 330, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '356123', 'title': 'Blue Wizards', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 542, 'bleu_score': 0.980097014099621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10615656621428224930}, 'section': 'Section::::Abstract.'}]}]