Question: who is the speaker of the house nz
[{'answer': 'Trevor Mallard ,', 'provenance': [{'wikipedia_id': '405514', 'title': 'Speaker of the New Zealand House of Representatives', 'start_paragraph_id': 31, 'start_character': 23, 'end_paragraph_id': 31, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Holders of the office.\n'}]}, {'provenance': [{'wikipedia_id': '405514', 'title': 'Speaker of the New Zealand House of Representatives', 'start_paragraph_id': 1, 'start_character': 14, 'end_paragraph_id': 1, 'end_character': 471, 'bleu_score': 0.7788903150687101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16325314103010397925}, 'section': 'Section::::Abstract.'}]}]