Question: when did they start making 4 door jeep wrangler
[{'answer': '2007', 'provenance': [{'wikipedia_id': '895086', 'title': 'Jeep Wrangler', 'start_paragraph_id': 4, 'start_character': 353, 'end_paragraph_id': 4, 'end_character': 357, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]