Question: the famous frescoes of the carmera degli sposi were painted for the duke of mantua by
[{'answer': 'Andrea Mantegna', 'provenance': [{'wikipedia_id': '16365690', 'title': 'Camera degli Sposi', 'start_paragraph_id': 1, 'start_character': 151, 'end_paragraph_id': 1, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16365690', 'title': 'Camera degli Sposi', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 385, 'bleu_score': 0.5003570195747671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2937060392213027050}, 'section': 'Section::::Abstract.'}]}]