Question: when did the anti smacking law come in nz
[{'answer': '21 June 2007', 'provenance': [{'wikipedia_id': '11251768', 'title': 'Crimes (Substituted Section 59) Amendment Act 2007', 'start_paragraph_id': 2, 'start_character': 539, 'end_paragraph_id': 2, 'end_character': 551, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'anti-smacking bill', 'provenance': [{'wikipedia_id': '11251768', 'title': 'Crimes (Substituted Section 59) Amendment Act 2007', 'start_paragraph_id': 2, 'start_character': 325, 'end_paragraph_id': 2, 'end_character': 343, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11251768', 'title': 'Crimes (Substituted Section 59) Amendment Act 2007', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 551, 'bleu_score': 0.9550237800704321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16223580296895379235}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11251768', 'title': 'Crimes (Substituted Section 59) Amendment Act 2007', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['The law was introduced to the New Zealand Parliament as a private members bill by Green Party Member of Parliament Sue Bradford in 2005, after being drawn from the ballot. It drew intense debate, both in Parliament and from the public. The bill was colloquially referred to by several of its opponents and newspapers as the "anti-smacking bill". The bill was passed on its third reading on 16 May 2007 by 113 votes to eight. The Governor-General of New Zealand granted the bill Royal Assent on 21 May 2007, and the law came into effect on 21 June 2007.', 'The bill was colloquially referred to by several of its opponents and newspapers as the "anti-smacking bill". The bill was passed on its third reading on 16 May 2007 by 113 votes to eight. The Governor-General of New Zealand granted the bill Royal Assent on 21 May 2007, and the law came into effect on 21 June 2007.', 'The bill was passed on its third reading on 16 May 2007 by 113 votes to eight. The Governor-General of New Zealand granted the bill Royal Assent on 21 May 2007, and the law came into effect on 21 June 2007.']}}]}]