Question: this is gonna be the best day of my life singer
[{'answer': 'Zac Barnett', 'provenance': [{'wikipedia_id': '41552347', 'title': 'Best Day of My Life', 'start_paragraph_id': 1, 'start_character': 113, 'end_paragraph_id': 1, 'end_character': 124, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]