Question: which is the oldest sofitel in north america
[{'answer': 'Minneapolis , Minnesota', 'provenance': [{'wikipedia_id': '1060414', 'title': 'Sofitel', 'start_paragraph_id': 6, 'start_character': 120, 'end_paragraph_id': 6, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::History.:International development.\n'}]}, {'provenance': [{'wikipedia_id': '1060414', 'title': 'Sofitel', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 577, 'bleu_score': 0.905139679888961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17976157414350888529}, 'section': 'Section::::History.:International development.\n'}]}]