Question: who was the last emperor of the augustinian line
[{'answer': 'Nero', 'provenance': [{'wikipedia_id': '16032', 'title': 'Julio-Claudian dynasty', 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16032', 'title': 'Julio-Claudian dynasty', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 831, 'bleu_score': 0.9860618656782161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12851513905862657695}, 'section': 'Section::::Nomenclature.\n'}]}]