Question: who has to sign the official secrets act
[{'answer': 'People working with sensitive information', 'provenance': [{'wikipedia_id': '330012', 'title': 'Official Secrets Act', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 41, 'bleu_score': 1.0, 'section': 'Section::::Countries and legislation.:United Kingdom.\n'}]}, {'provenance': [{'wikipedia_id': '330012', 'title': 'Official Secrets Act', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 634, 'bleu_score': 0.9825310706027971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9531531175120552375}, 'section': 'Section::::Countries and legislation.:United Kingdom.\n'}]}]