Question: who played trumpet on all you need is love
[{'answer': 'David Mason', 'provenance': [{'wikipedia_id': '1119469', 'title': 'All You Need Is Love', 'start_paragraph_id': 56, 'start_character': 12, 'end_paragraph_id': 56, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Personnel.\n'}]}]