Question: where was the treaty of waitangi first signed
[{'answer': 'Waitangi', 'provenance': [{'wikipedia_id': '127254', 'title': 'Treaty of Waitangi', 'start_paragraph_id': 0, 'start_character': 10, 'end_paragraph_id': 0, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '127254', 'title': 'Treaty of Waitangi', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1283, 'bleu_score': 0.9169914102438771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 332415162981403736}, 'section': 'Section::::Abstract.'}]}]