Question: who was selected as the sports illustrated best female athlete of the twentieth century
[{'answer': 'Martina Navratilova', 'provenance': [{'wikipedia_id': '2290079', 'title': 'SportsCentury', 'start_paragraph_id': 9, 'start_character': 88, 'end_paragraph_id': 9, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Controversy.\n'}]}]