Question: where do marine officers go to boot camp
[{'answer': 'Marine Corps Base Quantico', 'provenance': [{'wikipedia_id': '2864573', 'title': 'Officer Candidates School (United States Marine Corps)', 'start_paragraph_id': 1, 'start_character': 628, 'end_paragraph_id': 1, 'end_character': 654, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]