Question: when was housing benefit introduced in the uk
[{'answer': '1982', 'provenance': [{'wikipedia_id': '3187279', 'title': 'Housing Benefit', 'start_paragraph_id': 13, 'start_character': 106, 'end_paragraph_id': 13, 'end_character': 110, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '3187279', 'title': 'Housing Benefit', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 473, 'bleu_score': 0.953902344573157, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11606257425072991680}, 'section': 'Section::::History.\n'}]}]