Question: when did food stamps change to a card
[{'answer': 'June 2004', 'provenance': [{'wikipedia_id': '659087', 'title': 'Supplemental Nutrition Assistance Program', 'start_paragraph_id': 3, 'start_character': 885, 'end_paragraph_id': 3, 'end_character': 894, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '659087', 'title': 'Supplemental Nutrition Assistance Program', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1120, 'bleu_score': 0.9366833180298121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1811879290751065885}, 'section': 'Section::::Abstract.'}]}]