Question: who is the lead singer of the flying pickets
[{'answer': 'Brian Hibbard', 'provenance': [{'wikipedia_id': '1323952', 'title': 'Brian Hibbard', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1323952', 'title': 'Brian Hibbard', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2489239777877811946}, 'section': 'Section::::Abstract.'}]}]