Question: when was new zealand founded as a country
[{'answer': '6 February 1840', 'provenance': [{'wikipedia_id': '39938', 'title': 'History of New Zealand', 'start_paragraph_id': 32, 'start_character': 3, 'end_paragraph_id': 32, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Colonial period.:Treaty of Waitangi.\n'}]}, {'provenance': [{'wikipedia_id': '39938', 'title': 'History of New Zealand', 'start_paragraph_id': 32, 'start_character': 0, 'end_paragraph_id': 32, 'end_character': 331, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14037049230221629860}, 'section': 'Section::::Colonial period.:Treaty of Waitangi.\n'}]}]