Question: who won first ancient olympic 200 yard race
[{'answer': 'Coroebus of Elis', 'provenance': [{'wikipedia_id': '264911', 'title': 'Stadion (running race)', 'start_paragraph_id': 6, 'start_character': 59, 'end_paragraph_id': 6, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '264911', 'title': 'Stadion (running race)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13967866735787202929}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '264911', 'title': 'Stadion (running race)', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 75, 'bleu_score': 0.861173529963367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13967866735787202929}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '264911', 'title': 'Stadion (running race)', 'section': 'Section::::History.\n', 'start_paragraph_id': 6, 'end_paragraph_id': 6, 'meta': {'evidence_span': ['The winner of the "stadion" in the first Olympic Games was Coroebus of Elis.', 'The winner of the "stadion" in the first Olympic Games was Coroebus of Elis.', 'Coroebus of Elis']}}]}]