Question: what was the name of the marx brothers
[{'answer': 'Leonard', 'provenance': [{'wikipedia_id': '19669', 'title': 'Marx Brothers', 'start_paragraph_id': 25, 'start_character': 204, 'end_paragraph_id': 25, 'end_character': 211, 'bleu_score': 1.0, 'section': 'Section::::Origin of the stage names.\n'}]}, {'answer': 'Julius Henry', 'provenance': [{'wikipedia_id': '19669', 'title': 'Marx Brothers', 'start_paragraph_id': 187, 'start_character': 60, 'end_paragraph_id': 187, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Further reading.\n'}]}, {'answer': 'Milton', 'provenance': [{'wikipedia_id': '19669', 'title': 'Marx Brothers', 'start_paragraph_id': 26, 'start_character': 43, 'end_paragraph_id': 26, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Origin of the stage names.\n'}]}, {'answer': 'Herbert Manfred'}, {'answer': 'Adolph ( after 1911 : Arthur )'}]