Question: who is the lead guitar player for deep purple
[{'answer': 'Steve Morse', 'provenance': [{'wikipedia_id': '45848', 'title': 'Deep Purple', 'start_paragraph_id': 2, 'start_character': 938, 'end_paragraph_id': 2, 'end_character': 949, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]