Question: where does phrase when in rome come from
[{'answer': 'a saying attributed to Ambrose', 'provenance': [{'wikipedia_id': '2276477', 'title': 'When in Rome', 'start_paragraph_id': 2, 'start_character': 49, 'end_paragraph_id': 2, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2276477', 'title': 'When in Rome', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 79, 'bleu_score': 0.740341801138923, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3043511333302790722}, 'section': 'Section::::Abstract.'}]}]