Question: who won the women's french open final 2017
[{'answer': 'Jeļena Ostapenko', 'provenance': [{'wikipedia_id': '53849634', 'title': "2017 French Open – Women's Singles", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]