Question: what sports did they do in ancient greece olympics
[{'answer': 'foot race', 'provenance': [{'wikipedia_id': '19098431', 'title': 'Ancient Olympic Games', 'start_paragraph_id': 16, 'start_character': 222, 'end_paragraph_id': 16, 'end_character': 231, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]