Question: when does batman gotham by gaslight come out
[{'answer': 'January 12 , 2018', 'provenance': [{'wikipedia_id': '55711095', 'title': 'Batman: Gotham by Gaslight', 'start_paragraph_id': 2, 'start_character': 121, 'end_paragraph_id': 2, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55711095', 'title': 'Batman: Gotham by Gaslight', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 238, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 259227584148833256}, 'section': 'Section::::Abstract.'}]}]