Question: who wrote pack up your troubles in your old kit bag
[{'answer': 'George Henry Powell', 'provenance': [{'wikipedia_id': '12892136', 'title': 'Pack Up Your Troubles in Your Old Kit-Bag', 'start_paragraph_id': 1, 'start_character': 182, 'end_paragraph_id': 1, 'end_character': 201, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12892136', 'title': 'Pack Up Your Troubles in Your Old Kit-Bag', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 284, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12491995835854442084}, 'section': 'Section::::Abstract.'}]}]