Question: original lead singer of blood sweat and tears
[{'answer': 'David Clayton - Thomas', 'provenance': [{'wikipedia_id': '1619815', 'title': 'David Clayton-Thomas', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1619815', 'title': 'David Clayton-Thomas', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 459, 'bleu_score': 0.974188104609039, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7855441629924311559}, 'section': 'Section::::Abstract.'}]}]