Question: who cut the ribbon on the sydney harbour bridge
[{'answer': 'de Groot', 'provenance': [{'wikipedia_id': '756781', 'title': 'Francis de Groot', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '756781', 'title': 'Francis de Groot', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 734, 'bleu_score': 0.9851290761715561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17448322800851781319}, 'section': 'Section::::Biography.\n'}]}]