Question: who is the founding father of keynesianism (last name)
[{'answer': 'Keynes', 'provenance': [{'wikipedia_id': '37973', 'title': 'John Maynard Keynes', 'start_paragraph_id': 0, 'start_character': 13, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37973', 'title': 'John Maynard Keynes', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 522, 'bleu_score': 0.844235580100932, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17548007665506428213}, 'section': 'Section::::Abstract.'}]}]