Question: who sang at last my love has come
[{'answer': 'Etta James', 'provenance': [{'wikipedia_id': '3420361', 'title': 'At Last', 'start_paragraph_id': 2, 'start_character': 33, 'end_paragraph_id': 2, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Celine Dion', 'provenance': [{'wikipedia_id': '3420361', 'title': 'At Last', 'start_paragraph_id': 2, 'start_character': 248, 'end_paragraph_id': 2, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Beyoncé', 'provenance': [{'wikipedia_id': '3420361', 'title': 'At Last', 'start_paragraph_id': 2, 'start_character': 264, 'end_paragraph_id': 2, 'end_character': 271, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3420361', 'title': 'At Last', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 310, 'bleu_score': 0.9196822664155291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2306619517233327696}, 'section': 'Section::::Abstract.'}]}]