Question: when was the morning after pill introduced in the uk
[{'answer': '1984', 'provenance': [{'wikipedia_id': '18939', 'title': 'Emergency contraception', 'start_paragraph_id': 49, 'start_character': 276, 'end_paragraph_id': 49, 'end_character': 280, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '18939', 'title': 'Emergency contraception', 'start_paragraph_id': 49, 'start_character': 0, 'end_paragraph_id': 49, 'end_character': 1075, 'bleu_score': 0.913733333190016, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2099614895295562043}, 'section': 'Section::::History.\n'}]}]