Question: who is the architect of the sydney opera house
[{'answer': 'Jørn Oberg Utzon', 'provenance': [{'wikipedia_id': '37262', 'title': 'Jørn Utzon', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37262', 'title': 'Jørn Utzon', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 557, 'bleu_score': 0.8707595207548681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16450593383832269171}, 'section': 'Section::::Abstract.'}]}]