Question: who wrote the general theory of employment interest and money
[{'answer': 'John Maynard Keynes', 'provenance': [{'wikipedia_id': '319373', 'title': 'The General Theory of Employment, Interest and Money', 'start_paragraph_id': 1, 'start_character': 122, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]