Question: who sang a new york state of mind
[{'answer': 'Billy Joel', 'provenance': [{'wikipedia_id': '3432364', 'title': 'New York State of Mind', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3432364', 'title': 'New York State of Mind', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 699, 'bleu_score': 0.891396801265889, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14655863741694871372}, 'section': 'Section::::Abstract.'}]}]