Question: when did they stop making the crown victoria
[{'answer': '2011', 'provenance': [{'wikipedia_id': '286368', 'title': 'Ford Crown Victoria', 'start_paragraph_id': 1, 'start_character': 147, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]