Question: when did the cash for clunkers program end
[{'answer': 'August 24 , 2009', 'provenance': [{'wikipedia_id': '23626221', 'title': 'Car Allowance Rebate System', 'start_paragraph_id': 10, 'start_character': 573, 'end_paragraph_id': 10, 'end_character': 589, 'bleu_score': 1.0, 'section': 'Section::::Legislative history.\n'}]}, {'provenance': [{'wikipedia_id': '23626221', 'title': 'Car Allowance Rebate System', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 512, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4970715408935141461}, 'section': 'Section::::Abstract.'}]}]