Question: when did they start putting states on quarters
[{'answer': '1999', 'provenance': [{'wikipedia_id': '374865', 'title': '50 State Quarters', 'start_paragraph_id': 1, 'start_character': 128, 'end_paragraph_id': 1, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '374865', 'title': '50 State Quarters', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 0.6292084734048871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13823197478750991617}, 'section': 'Section::::Abstract.'}]}]