Question: when was weed made illegal in the uk
[{'answer': '1928', 'provenance': [{'wikipedia_id': '20573708', 'title': 'Cannabis in the United Kingdom', 'start_paragraph_id': 2, 'start_character': 257, 'end_paragraph_id': 2, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20573708', 'title': 'Cannabis in the United Kingdom', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 205, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16298540116462050932}, 'section': 'Section::::History.:Use as a drug.:Prohibition.\n'}]}]