Question: when did they start assigning social security numbers at birth
[{'answer': '1990'}, {}, {'provenance': [{'wikipedia_id': '22255742', 'title': 'Social Security number', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9959263607231761244}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1338', 'title': 'Americans with Disabilities Act of 1990', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['1990', 'The Americans with Disabilities Act of 1990 () is a civil rights law that prohibits discrimination based on']}}]}, {'provenance': [{'wikipedia_id': '35619800', 'title': 'History of Social Security in the United States', 'section': 'Section::::Expansion and evolution.\n', 'start_paragraph_id': 25, 'end_paragraph_id': 25, 'meta': {'evidence_span': ['1990', 'but by 1980 that figure had dropped to less than 20%. In 1990,']}}]}, {'provenance': [{'wikipedia_id': '2049265', 'title': 'Identity documents in the United States', 'section': 'Section::::Social Security card.\n', 'start_paragraph_id': 12, 'end_paragraph_id': 12, 'meta': {'evidence_span': ['1990', 'Tax reform acts of 1986, 1988, and 1990 required parents to supply the SSN of children over age 5, 2, or 1 respectively']}}]}]