Question: who is on the cover of get yer ya ya's out
[{'answer': 'Charlie Watts', 'provenance': [{'wikipedia_id': '2297135', 'title': "Get Yer Ya-Ya's Out! The Rolling Stones in Concert", 'start_paragraph_id': 5, 'start_character': 354, 'end_paragraph_id': 5, 'end_character': 367, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '2297135', 'title': "Get Yer Ya-Ya's Out! The Rolling Stones in Concert", 'start_paragraph_id': 6, 'start_character': 12, 'end_paragraph_id': 6, 'end_character': 1020, 'bleu_score': 0.8581490479773121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4929286275342504825}, 'section': 'Section::::History.\n'}]}]