Question: who wrote the song up on the housetop
[{'answer': 'Benjamin Hanby', 'provenance': [{'wikipedia_id': '8202428', 'title': 'Up on the House Top', 'start_paragraph_id': 1, 'start_character': 53, 'end_paragraph_id': 1, 'end_character': 67, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8202428', 'title': 'Up on the House Top', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 0.934334813046729, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12884692086754184671}, 'section': 'Section::::Abstract.'}]}]