Question: what does nec stand for in the military
[{'answer': 'Navy Enlisted Classification', 'provenance': [{'wikipedia_id': '4910705', 'title': 'Navy Enlisted Classification', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4910705', 'title': 'Navy Enlisted Classification', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 342, 'bleu_score': 0.963949056609222, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16732914244056758469}, 'section': 'Section::::Abstract.'}]}]