Question: where did the battle of poitiers take place
[{'answer': 'Nouaillé', 'provenance': [{'wikipedia_id': '4503', 'title': 'Battle of Poitiers', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 147, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4503', 'title': 'Battle of Poitiers', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 407, 'bleu_score': 0.5869550689267891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3382923042821410096}, 'section': 'Section::::Abstract.'}]}]