Question: who wrote they say it's your birthday
[{'answer': 'John Lennon', 'provenance': [{'wikipedia_id': '2139395', 'title': 'Birthday (Beatles song)', 'start_paragraph_id': 3, 'start_character': 95, 'end_paragraph_id': 3, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Writing.\n'}]}, {'answer': 'Paul McCartney', 'provenance': [{'wikipedia_id': '2139395', 'title': 'Birthday (Beatles song)', 'start_paragraph_id': 1, 'start_character': 507, 'end_paragraph_id': 1, 'end_character': 521, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2139395', 'title': 'Birthday (Beatles song)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 612, 'bleu_score': 0.9216635569666731, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1730918885217015317}, 'section': 'Section::::Writing.\n'}]}]