Question: how often do we have a census in new zealand
[{'answer': 'every five years', 'provenance': [{'wikipedia_id': '492170', 'title': 'New Zealand census', 'start_paragraph_id': 1, 'start_character': 156, 'end_paragraph_id': 1, 'end_character': 172, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '492170', 'title': 'New Zealand census', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 416, 'bleu_score': 0.757686940955917, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7620870426101380687}, 'section': 'Section::::Abstract.'}]}]