Question: what type of defense do the broncos run
[{'answer': '3 -- 4 defensive alignment'}, {'provenance': [{'wikipedia_id': '11447003', 'title': '3–4 defense', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 566, 'bleu_score': 0.616280944625571, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9557186210362305139}, 'section': 'Section::::Overview.\n'}]}]