Question: when does greta van fleets new album come out
[{'answer': 'mid-2018', 'provenance': [{'wikipedia_id': '53890868', 'title': 'Greta Van Fleet', 'start_paragraph_id': 10, 'start_character': 347, 'end_paragraph_id': 10, 'end_character': 355, 'bleu_score': 1.0, 'section': 'Section::::History.:"Black Smoke Rising" and "From the Fires" (2016–2017).\n'}]}, {'provenance': [{'wikipedia_id': '53890868', 'title': 'Greta Van Fleet', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 354, 'bleu_score': 0.831570157601315, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6044946880861431449}, 'section': 'Section::::History.:"Black Smoke Rising" and "From the Fires" (2016–2017).\n'}]}]