Question: what is back to you by selena gomez
[{'answer': 'a song', 'provenance': [{'wikipedia_id': '57287293', 'title': 'Back to You (Selena Gomez song)', 'start_paragraph_id': 1, 'start_character': 17, 'end_paragraph_id': 1, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '57287293', 'title': 'Back to You (Selena Gomez song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 410, 'bleu_score': 0.8315597382324941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2530585177626279657}, 'section': 'Section::::Abstract.'}]}]