Question: when did the first ford bronco come out
[{'answer': '1966', 'provenance': [{'wikipedia_id': '1307386', 'title': 'Ford Bronco', 'start_paragraph_id': 4, 'start_character': 29, 'end_paragraph_id': 4, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]