Question: when did new zealand stop being a dominion
[{'answer': '1947', 'provenance': [{'wikipedia_id': '431394', 'title': 'Dominion of New Zealand', 'start_paragraph_id': 4, 'start_character': 183, 'end_paragraph_id': 4, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '431394', 'title': 'Dominion of New Zealand', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 187, 'bleu_score': 0.8634982146929601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16400935933182393296}, 'section': 'Section::::Abstract.'}]}]