Question: who wrote the song yes we have no bananas
[{'answer': 'Frank Silver', 'provenance': [{'wikipedia_id': '6820918', 'title': 'Yes! We Have No Bananas', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 59, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Irving Cohn', 'provenance': [{'wikipedia_id': '6820918', 'title': 'Yes! We Have No Bananas', 'start_paragraph_id': 1, 'start_character': 64, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6820918', 'title': 'Yes! We Have No Bananas', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 464, 'bleu_score': 0.8862658615523511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15229630100741650915}, 'section': 'Section::::Abstract.'}]}]