Question: who won the women's doubles in the french open
[{'answer': 'Barbora Krejčíková', 'provenance': [{'wikipedia_id': '57516335', 'title': "2018 French Open – Women's Doubles", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Kateřina Siniaková', 'provenance': [{'wikipedia_id': '57516335', 'title': "2018 French Open – Women's Doubles", 'start_paragraph_id': 2, 'start_character': 23, 'end_paragraph_id': 2, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57516335', 'title': "2018 French Open – Women's Doubles", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 137, 'bleu_score': 0.764181920192426, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10972831041941939229}, 'section': 'Section::::Abstract.'}]}]