Question: how many nuclear armed submarines does the us have
[{'answer': '14', 'provenance': [{'wikipedia_id': '22654', 'title': 'Ohio-class submarine', 'start_paragraph_id': 2, 'start_character': 46, 'end_paragraph_id': 2, 'end_character': 48, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22654', 'title': 'Ohio-class submarine', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 513, 'bleu_score': 0.9346183847893801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8944170468052373827}, 'section': 'Section::::Description.\n'}]}]