Question: who wrote the song puttin on the ritz
[{'answer': 'Irving Berlin', 'provenance': [{'wikipedia_id': '937711', 'title': "Puttin' On the Ritz", 'start_paragraph_id': 1, 'start_character': 43, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '937711', 'title': "Puttin' On the Ritz", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 596, 'bleu_score': 0.9239749470666601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18368117968927673304}, 'section': 'Section::::Abstract.'}]}]