Question: who is the surviving member of emerson lake and palmer
[{'answer': 'Palmer', 'provenance': [{'wikipedia_id': '52725', 'title': 'Emerson, Lake & Palmer', 'start_paragraph_id': 0, 'start_character': 20, 'end_paragraph_id': 0, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52725', 'title': 'Emerson, Lake & Palmer', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 559, 'bleu_score': 0.951749605621204, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14766805703549108680}, 'section': 'Section::::Abstract.'}]}]