Question: when did they start putting security strips in money
[{'answer': '1990', 'provenance': [{'wikipedia_id': '477355', 'title': 'United States one hundred-dollar bill', 'start_paragraph_id': 28, 'start_character': 12, 'end_paragraph_id': 28, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Small size note history.\n'}]}, {'provenance': [{'wikipedia_id': '477355', 'title': 'United States one hundred-dollar bill', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 212, 'bleu_score': 0.8547305998833801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5014622836967952829}, 'section': 'Section::::Small size note history.\n'}]}]