Question: who does vocals on shine on you crazy diamond
[{'answer': 'Roger Waters', 'provenance': [{'wikipedia_id': '365493', 'title': 'Shine On You Crazy Diamond', 'start_paragraph_id': 1, 'start_character': 93, 'end_paragraph_id': 1, 'end_character': 105, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '365493', 'title': 'Shine On You Crazy Diamond', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 104, 'bleu_score': 0.861173529963367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17916237333641241289}, 'section': 'Section::::Personnel.\n'}]}]