Question: when did the battle of atlanta start and end
[{'answer': 'July 22 , 1864'}, {'provenance': [{'wikipedia_id': '176263', 'title': 'Battle of Atlanta', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 840, 'bleu_score': 0.9669266300094901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5845361854126522160}, 'section': 'Section::::Abstract.'}]}]