Question: who is playing drums for guns n roses
[{'answer': 'Frank Ferrer', 'provenance': [{'wikipedia_id': '50015289', 'title': 'Not in This Lifetime... Tour', 'start_paragraph_id': 9, 'start_character': 1459, 'end_paragraph_id': 9, 'end_character': 1471, 'bleu_score': 1.0, 'section': 'Section::::Overview.:Background.\n'}]}]