Question: who is known as wizard of the north
[{'answer': 'John Henry Anderson', 'provenance': [{'wikipedia_id': '2202962', 'title': 'John Henry Anderson', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2202962', 'title': 'John Henry Anderson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 237, 'bleu_score': 0.843133901932949, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10483291151818658827}, 'section': 'Section::::Abstract.'}]}]