Question: when was direct rule introduced in northern ireland
[{'answer': '28 March 1972', 'provenance': [{'wikipedia_id': '445954', 'title': 'Direct rule (Northern Ireland)', 'start_paragraph_id': 4, 'start_character': 55, 'end_paragraph_id': 4, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '445954', 'title': 'Direct rule (Northern Ireland)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 213, 'bleu_score': 0.9419661180380051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17114187791985253034}, 'section': 'Section::::History.\n'}]}]