Question: who won in the first battle of marne
[{'answer': 'the Allied Powers', 'provenance': [{'wikipedia_id': '171325', 'title': 'First Battle of the Marne', 'start_paragraph_id': 1, 'start_character': 652, 'end_paragraph_id': 1, 'end_character': 669, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '171325', 'title': 'First Battle of the Marne', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 740, 'bleu_score': 0.859113078303081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10120303862224743522}, 'section': 'Section::::Abstract.'}]}]