Question: who died in the plane crash greys anatomy
[{'answer': 'Lexie', 'provenance': [{'wikipedia_id': '35614755', 'title': "Flight (Grey's Anatomy)", 'start_paragraph_id': 1, 'start_character': 494, 'end_paragraph_id': 1, 'end_character': 499, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dr. Lexie Grey', 'provenance': [{'wikipedia_id': '35614755', 'title': "Flight (Grey's Anatomy)", 'start_paragraph_id': 1, 'start_character': 490, 'end_paragraph_id': 1, 'end_character': 504, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Dr. Lexie Grey ( Chyler Leigh )'}, {'provenance': [{'wikipedia_id': '35614755', 'title': "Flight (Grey's Anatomy)", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1169, 'bleu_score': 0.990171692033262, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10401267539656853366}, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '35614755', 'title': "Flight (Grey's Anatomy)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 787, 'bleu_score': 0.9845548242372031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10401267539656853366}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '46537519', 'title': "One Flight Down (Grey's Anatomy)", 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Lexie Grey', ". The episode features a plane crash in Seattle bringing patients to Grey Sloan Memorial and old memories of the season 8's tragic plane crash that claimed the lives of Mark Sloan (Eric Dane) and Lexie Grey (Chyler Leigh) back to Meredith Grey, Arizona Robbins and Owen Hunt.\rhighlight sentence(s) containing evidence, not only the answer", "The episode features a plane crash in Seattle bringing patients to Grey Sloan Memorial and old memories of the season 8's tragic plane crash that claimed the lives of Mark Sloan (Eric Dane) and Lexie Grey (Chyler Leigh) back to Meredith Grey, Arizona Robbins and Owen Hunt."]}}]}, {'provenance': [{'wikipedia_id': '35614755', 'title': "Flight (Grey's Anatomy)", 'section': 'Section::::Plot.\n', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ['Dr. Lexie Grey', 'After their plane crashes in the woods, Dr. Meredith Grey (Ellen Pompeo), Dr. Lexie Grey (Chyler Leigh), Dr. Cristina Yang (Sandra Oh), Dr. Arizona Robbins (Jessica Capshaw), Dr. Derek Shepherd (Patrick Dempsey), and Dr. Mark Sloan (Eric Dane) desperately fight to stay alive.', 'As Sloan tells her of the life the two were meant to have together, Lexie dies with a smile on her face just as Meredith and Yang are approaching.']}}]}]