Question: where is the bridges of madison county located
[{'answer': 'Madison County , Iowa', 'provenance': [{'wikipedia_id': '5533243', 'title': 'The Bridges of Madison County (film)', 'start_paragraph_id': 23, 'start_character': 345, 'end_paragraph_id': 23, 'end_character': 366, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'provenance': [{'wikipedia_id': '5533243', 'title': 'The Bridges of Madison County (film)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 365, 'bleu_score': 0.96746874041754, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6836677050492824112}, 'section': 'Section::::Plot.\n'}]}]