Question: who played guitar on speak of the devil
[{'answer': 'Night Ranger guitarist Brad Gillis', 'provenance': [{'wikipedia_id': '248115', 'title': 'Speak of the Devil (Ozzy Osbourne album)', 'start_paragraph_id': 9, 'start_character': 56, 'end_paragraph_id': 9, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}, {'provenance': [{'wikipedia_id': '248115', 'title': 'Speak of the Devil (Ozzy Osbourne album)', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 350, 'bleu_score': 0.923768200931469, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16696388483399893286}, 'section': 'Section::::Overview.\n'}]}]