Question: most women's tennis grand slam doubles titles
[{'answer': 'Martina Navratilova', 'provenance': [{'wikipedia_id': '2153148', 'title': "List of Grand Slam women's doubles champions", 'start_paragraph_id': 2, 'start_character': 61, 'end_paragraph_id': 2, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]