Question: when did flatline by justin bieber come out
[{'answer': 'January 2 , 2014', 'provenance': [{'wikipedia_id': '41430642', 'title': 'Journals (album)', 'start_paragraph_id': 16, 'start_character': 550, 'end_paragraph_id': 16, 'end_character': 566, 'bleu_score': 1.0, 'section': 'Section::::Release and promotion.\n'}]}, {'provenance': [{'wikipedia_id': '41430642', 'title': 'Journals (album)', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 959, 'bleu_score': 0.9880591662583851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14064462640940543474}, 'section': 'Section::::Release and promotion.\n'}]}]