Question: when did the battle of germantown start and end
[{'answer': 'October 4 , 1777', 'provenance': [{'wikipedia_id': '375707', 'title': 'Battle of Germantown', 'start_paragraph_id': 1, 'start_character': 129, 'end_paragraph_id': 1, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '375707', 'title': 'Battle of Germantown', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 315, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16145296358832447746}, 'section': 'Section::::Abstract.'}]}]