Question: how many persian soldiers were at the battle of thermopylae
[{'answer': 'about 100,000 and 150,000', 'provenance': [{'wikipedia_id': '157446', 'title': 'Battle of Thermopylae', 'start_paragraph_id': 2, 'start_character': 285, 'end_paragraph_id': 2, 'end_character': 310, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '157446', 'title': 'Battle of Thermopylae', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 995, 'bleu_score': 0.9345482605463341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8969935782173836619}, 'section': 'Section::::Abstract.'}]}]