Question: when did the taco bell dog come out
[{'answer': 'September 1993'}, {'provenance': [{'wikipedia_id': '968037', 'title': 'Taco Bell chihuahua', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 589, 'bleu_score': 0.9548779061357541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17986787174115238428}, 'section': 'Section::::History.\n'}]}]