Question: who was the original singer of i believe i can fly
[{'answer': 'R. Kelly', 'provenance': [{'wikipedia_id': '2023560', 'title': 'I Believe I Can Fly', 'start_paragraph_id': 1, 'start_character': 150, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]