Question: when did paracetamol become available in the uk
[{'answer': '1956', 'provenance': [{'wikipedia_id': '83406', 'title': 'Paracetamol', 'start_paragraph_id': 81, 'start_character': 626, 'end_paragraph_id': 81, 'end_character': 630, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '83406', 'title': 'Paracetamol', 'start_paragraph_id': 81, 'start_character': 0, 'end_paragraph_id': 81, 'end_character': 1458, 'bleu_score': 0.9912470542897981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14586098595812123965}, 'section': 'Section::::History.\n'}]}]