Question: who was considered the father of american geography
[{'answer': 'William Morris Davis', 'provenance': [{'wikipedia_id': '77831', 'title': 'William Morris Davis', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '77831', 'title': 'William Morris Davis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 181, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13589862155044994934}, 'section': 'Section::::Abstract.'}]}]