Question: who wrote most of the songs in the beatles
[{'answer': 'John Lennon', 'provenance': [{'wikipedia_id': '6771955', 'title': 'List of songs recorded by the Beatles', 'start_paragraph_id': 1, 'start_character': 622, 'end_paragraph_id': 1, 'end_character': 633, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Paul McCartney', 'provenance': [{'wikipedia_id': '6771955', 'title': 'List of songs recorded by the Beatles', 'start_paragraph_id': 1, 'start_character': 638, 'end_paragraph_id': 1, 'end_character': 652, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]