Question: who is the drummer for 3 doors down
[{'answer': 'Greg Upchurch', 'provenance': [{'wikipedia_id': '156002', 'title': '3 Doors Down', 'start_paragraph_id': 2, 'start_character': 461, 'end_paragraph_id': 2, 'end_character': 474, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]