Question: when does an occurrence at owl creek bridge take place
[{'answer': 'during the American Civil War', 'provenance': [{'wikipedia_id': '2407928', 'title': 'An Occurrence at Owl Creek Bridge', 'start_paragraph_id': 1, 'start_character': 404, 'end_paragraph_id': 1, 'end_character': 433, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2407928', 'title': 'An Occurrence at Owl Creek Bridge', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 656, 'bleu_score': 0.9587365925518061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2166032116431129408}, 'section': 'Section::::Abstract.'}]}]