Question: who signed the diversity visa lottery program into law
[{'answer': 'President George H.W. Bush'}, {'provenance': [{'wikipedia_id': '490086', 'title': 'Diversity Immigrant Visa', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 674, 'bleu_score': 0.9587365925518061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9607727841312770541}, 'section': 'Section::::History.:Legislative and administrative history.\n'}]}]