Question: which blues singer is best remembered for her recording of stormy weather
[{'answer': 'Ethel Waters', 'provenance': [{'wikipedia_id': '171252', 'title': 'Ethel Waters', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '171252', 'title': 'Ethel Waters', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 659, 'bleu_score': 0.813894685192535, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7892782447316682128}, 'section': 'Section::::Abstract.'}]}]