Question: when was the titanic found at the bottom of the ocean
[{'answer': '1985', 'provenance': [{'wikipedia_id': '32968259', 'title': 'Wreck of the RMS Titanic', 'start_paragraph_id': 21, 'start_character': 66, 'end_paragraph_id': 21, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Discovery.\n'}]}]