Question: what episode does elena die in vampire diaries
[{'answer': 'the final episode', 'provenance': [{'wikipedia_id': '24376684', 'title': 'Elena Gilbert', 'start_paragraph_id': 2, 'start_character': 1191, 'end_paragraph_id': 2, 'end_character': 1208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '24376684', 'title': 'Elena Gilbert', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 1605, 'bleu_score': 0.993162292916803, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13248873469542507888}, 'section': 'Section::::Television series.:Storyline.:Season 8.\n'}]}]