Question: when was weed made illegal in new zealand
[{'answer': '1975', 'provenance': [{'wikipedia_id': '20565421', 'title': 'Cannabis in New Zealand', 'start_paragraph_id': 1, 'start_character': 75, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]