Question: who are the surviving members of the doors
[{'answer': 'John Densmore', 'provenance': [{'wikipedia_id': '29801', 'title': 'The Doors', 'start_paragraph_id': 1, 'start_character': 159, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Robby Krieger', 'provenance': [{'wikipedia_id': '29801', 'title': 'The Doors', 'start_paragraph_id': 1, 'start_character': 132, 'end_paragraph_id': 1, 'end_character': 145, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]