Question: who is buried in the meditation garden at graceland
[{'answer': 'Presley', 'provenance': [{'wikipedia_id': '82779', 'title': 'Graceland', 'start_paragraph_id': 1, 'start_character': 114, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Gladys & Vernon Presley', 'provenance': [{'wikipedia_id': '82779', 'title': 'Graceland', 'start_paragraph_id': 13, 'start_character': 52, 'end_paragraph_id': 13, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Minnie Mae Presley', 'provenance': [{'wikipedia_id': '82779', 'title': 'Graceland', 'start_paragraph_id': 13, 'start_character': 99, 'end_paragraph_id': 13, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '82779', 'title': 'Graceland', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 576, 'bleu_score': 0.6411287926390611, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18012033070172214263}, 'section': 'Section::::History.\n'}]}]