Question: who recorded the events of the greco-persian war
[{'answer': 'Herodotus', 'provenance': [{'wikipedia_id': '327628', 'title': 'Greco-Persian Wars', 'start_paragraph_id': 7, 'start_character': 219, 'end_paragraph_id': 7, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Sources.\n'}]}, {'provenance': [{'wikipedia_id': '327628', 'title': 'Greco-Persian Wars', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 966, 'bleu_score': 0.9670935813421611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12557018860620585357}, 'section': 'Section::::Sources.\n'}]}]