Question: who is known as the father of polygraph
[{'answer': 'Marston', 'provenance': [{'wikipedia_id': '71734', 'title': 'Polygraph', 'start_paragraph_id': 65, 'start_character': 477, 'end_paragraph_id': 65, 'end_character': 484, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '71734', 'title': 'Polygraph', 'start_paragraph_id': 67, 'start_character': 0, 'end_paragraph_id': 67, 'end_character': 530, 'bleu_score': 0.977139080690077, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2855930789410125255}, 'section': 'Section::::History.\n'}]}]