Question: who played guitar in bill and ted's excellent adventure
[{'answer': 'Stevie Salas', 'provenance': [{'wikipedia_id': '23808966', 'title': "Bill & Ted's Excellent Adventure", 'start_paragraph_id': 43, 'start_character': 202, 'end_paragraph_id': 43, 'end_character': 214, 'bleu_score': 1.0, 'section': 'Section::::Production.:Casting.\n'}]}, {'provenance': [{'wikipedia_id': '23808966', 'title': "Bill & Ted's Excellent Adventure", 'start_paragraph_id': 43, 'start_character': 127, 'end_paragraph_id': 43, 'end_character': 252, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14140278045835248894}, 'section': 'Section::::Production.:Casting.\n'}]}]