Question: who won the marathon race in the 2004 athens olympics
[{'answer': 'Stefano Baldini', 'provenance': [{'wikipedia_id': '913304', 'title': "Athletics at the 2004 Summer Olympics – Men's marathon", 'start_paragraph_id': 2, 'start_character': 247, 'end_paragraph_id': 2, 'end_character': 262, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '913304', 'title': "Athletics at the 2004 Summer Olympics – Men's marathon", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 875, 'bleu_score': 0.877266938186247, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12146565870849902782}, 'section': 'Section::::Abstract.'}]}]