Question: who sings the song i want you to stay
[{'answer': 'Rihanna', 'provenance': [{'wikipedia_id': '37535316', 'title': 'Stay (Rihanna song)', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37535316', 'title': 'Stay (Rihanna song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 526, 'bleu_score': 0.8210196599312131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14789240268665269010}, 'section': 'Section::::Abstract.'}]}]