Question: where did the attack on fort sumter take place
[{'answer': 'Charleston Harbor', 'provenance': [{'wikipedia_id': '339819', 'title': 'Battle of Fort Sumter', 'start_paragraph_id': 1, 'start_character': 406, 'end_paragraph_id': 1, 'end_character': 423, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '339819', 'title': 'Battle of Fort Sumter', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 984, 'bleu_score': 0.9649992385669601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12455419460164265038}, 'section': 'Section::::Abstract.'}]}]