Question: what is the meaning of the name otto
[{'answer': 'wealth , prosperity', 'provenance': [{'wikipedia_id': '603565', 'title': 'Otto', 'start_paragraph_id': 2, 'start_character': 102, 'end_paragraph_id': 2, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]