Question: who wrote the 'father brown' crime stories
[{'answer': 'G.K. Chesterton'}, {'provenance': [{'wikipedia_id': '627798', 'title': 'Father Brown', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 459, 'bleu_score': 0.8554795620007961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7698052593922841845}, 'section': 'Section::::Abstract.'}]}]