Question: who is the original singer of careless whisper
[{'answer': 'George Michael', 'provenance': [{'wikipedia_id': '2248762', 'title': 'Careless Whisper', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]