Question: when did the anti smacking law come in
[{'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.'}]}, {'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': 5847089501134601719}, 'section': 'Section::::Abstract.'}]}]