Question: who played guitar on goodbye yellow brick road
[{'answer': 'Davey Johnstone', 'provenance': [{'wikipedia_id': '1203860', 'title': 'Goodbye Yellow Brick Road', 'start_paragraph_id': 23, 'start_character': 12, 'end_paragraph_id': 23, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Personnel.\n'}]}]