Question: what was the war between sparta and athens
[{'answer': 'Peloponnesian War', 'provenance': [{'wikipedia_id': '24121', 'title': 'Peloponnesian War', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24121', 'title': 'Peloponnesian War', 'start_paragraph_id': 1, 'start_character': 31, 'end_paragraph_id': 1, 'end_character': 1390, 'bleu_score': 0.9192129909423611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8102261217020797430}, 'section': 'Section::::Abstract.'}]}]