Question: when will luke cage season 2 be released
[{'answer': '2018', 'provenance': [{'wikipedia_id': '52476225', 'title': 'Luke Cage (season 2)', 'start_paragraph_id': 3, 'start_character': 33, 'end_paragraph_id': 3, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]