Question: which artist created the cover for the rolling stone's album sticky fingers
[{'answer': 'Warhol', 'provenance': [{'wikipedia_id': '728744', 'title': 'Sticky Fingers', 'start_paragraph_id': 2, 'start_character': 324, 'end_paragraph_id': 2, 'end_character': 330, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Billy Name', 'provenance': [{'wikipedia_id': '728744', 'title': 'Sticky Fingers', 'start_paragraph_id': 11, 'start_character': 685, 'end_paragraph_id': 11, 'end_character': 695, 'bleu_score': 1.0, 'section': 'Section::::Artwork.:Standard version.\n'}]}, {'answer': 'Craig Braun', 'provenance': [{'wikipedia_id': '728744', 'title': 'Sticky Fingers', 'start_paragraph_id': 11, 'start_character': 714, 'end_paragraph_id': 11, 'end_character': 725, 'bleu_score': 1.0, 'section': 'Section::::Artwork.:Standard version.\n'}]}, {'provenance': [{'wikipedia_id': '728744', 'title': 'Sticky Fingers', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 1013, 'bleu_score': 0.9660315245566661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1216707965761401252}, 'section': 'Section::::Artwork.:Standard version.\n'}]}]