Question: when did tesla start making self driving cars
[{'answer': 'October 9 , 2014', 'provenance': [{'wikipedia_id': '50984053', 'title': 'Tesla Autopilot', 'start_paragraph_id': 5, 'start_character': 31, 'end_paragraph_id': 5, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '50984053', 'title': 'Tesla Autopilot', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 399, 'bleu_score': 0.9250392488272071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 763513784662767883}, 'section': 'Section::::History.\n'}]}]