Question: who wrote an article on war finance titled how to pay for the war
[{'answer': 'John Maynard Keynes', 'provenance': [{'wikipedia_id': '47605918', 'title': 'How to Pay for the War: A Radical Plan for the Chancellor of the Exchequer', 'start_paragraph_id': 1, 'start_character': 88, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '47605918', 'title': 'How to Pay for the War: A Radical Plan for the Chancellor of the Exchequer', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12269265242255981144}, 'section': 'Section::::Abstract.'}]}]