Question: who wrote if today was your last day
[{'answer': 'Nickelback', 'provenance': [{'wikipedia_id': '19241538', 'title': 'If Today Was Your Last Day', 'start_paragraph_id': 1, 'start_character': 54, 'end_paragraph_id': 1, 'end_character': 64, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19241538', 'title': 'If Today Was Your Last Day', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 631, 'bleu_score': 0.9831208473513011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12898137743584049702}, 'section': 'Section::::Abstract.'}]}]