Question: who was the historian who recorded the details of the peloponnesian war
[{'answer': 'Thucydides', 'provenance': [{'wikipedia_id': '382350', 'title': 'History of the Peloponnesian War', 'start_paragraph_id': 1, 'start_character': 239, 'end_paragraph_id': 1, 'end_character': 249, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '382350', 'title': 'History of the Peloponnesian War', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 509, 'bleu_score': 0.8963962590238931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2103296367005402036}, 'section': 'Section::::Abstract.'}]}]