Question: when did the first titanic movie come out
[{'answer': 'December 19 , 1997', 'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 96, 'start_character': 78, 'end_paragraph_id': 96, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Release.:Box office.:Initial theatrical run.\n'}]}, {'provenance': [{'wikipedia_id': '52371', 'title': 'Titanic (1997 film)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 967, 'bleu_score': 0.928401811195489, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5473338969010484132}, 'section': 'Section::::Abstract.'}]}]