Question: what is the last year pontiac made cars
[{'answer': '2010', 'provenance': [{'wikipedia_id': '76165', 'title': 'Pontiac', 'start_paragraph_id': 3, 'start_character': 245, 'end_paragraph_id': 3, 'end_character': 249, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '76165', 'title': 'Pontiac', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 516, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15677981236042076653}, 'section': 'Section::::Abstract.'}]}]