Question: when was the last time 5sos released music
[{'answer': '22 February 2018', 'provenance': [{'wikipedia_id': '36693528', 'title': '5 Seconds of Summer', 'start_paragraph_id': 33, 'start_character': 3, 'end_paragraph_id': 33, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Career.:2017–2018: "Youngblood".\n'}]}, {'provenance': [{'wikipedia_id': '36693528', 'title': '5 Seconds of Summer', 'start_paragraph_id': 33, 'start_character': 0, 'end_paragraph_id': 33, 'end_character': 103, 'bleu_score': 0.8404350178700111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16623125528876074146}, 'section': 'Section::::Career.:2017–2018: "Youngblood".\n'}]}]