Question: where did the roman emperor sit in the colosseum
[{'answer': 'north', 'provenance': [{'wikipedia_id': '49603', 'title': 'Colosseum', 'start_paragraph_id': 19, 'start_character': 309, 'end_paragraph_id': 19, 'end_character': 314, 'bleu_score': 1.0, 'section': 'Section::::History.:Medieval.\n'}]}, {'provenance': [{'wikipedia_id': '49603', 'title': 'Colosseum', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 657, 'bleu_score': 0.9815648442794911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17799187009689671469}, 'section': 'Section::::Physical description.:Interior seating.\n'}]}]