Question: when did self driving cars first come out
[{'answer': 'in the 1980s', 'provenance': [{'wikipedia_id': '44787757', 'title': 'History of self-driving cars', 'start_paragraph_id': 1, 'start_character': 216, 'end_paragraph_id': 1, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44787757', 'title': 'History of self-driving cars', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 810, 'bleu_score': 0.9622032542074631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5895256495992016313}, 'section': 'Section::::Abstract.'}]}]