Question: when does the show black lightning come out
[{'answer': '2018', 'provenance': [{'wikipedia_id': '53491440', 'title': 'Black Lightning (TV series)', 'start_paragraph_id': 1, 'start_character': 131, 'end_paragraph_id': 1, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]