Question: what year did they stop making the lincoln town car
[{'answer': '2011', 'provenance': [{'wikipedia_id': '541143', 'title': 'Lincoln Town Car', 'start_paragraph_id': 1, 'start_character': 164, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]