Question: what is the head of the mafia called
[{'answer': 'Commission', 'provenance': [{'wikipedia_id': '2029109', 'title': 'Crime boss', 'start_paragraph_id': 6, 'start_character': 253, 'end_paragraph_id': 6, 'end_character': 263, 'bleu_score': 1.0, 'section': 'Section::::Italian Mafia.\n'}]}, {'provenance': [{'wikipedia_id': '2029109', 'title': 'Crime boss', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 299, 'bleu_score': 0.908198718008664, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3471687558637944297}, 'section': 'Section::::Italian Mafia.\n'}]}]