Question: what doctrine called persian gulf oil a vital us interest to be defended by any means necessary
[{'answer': 'The Carter Doctrine', 'provenance': [{'wikipedia_id': '88573', 'title': 'Carter Doctrine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '88573', 'title': 'Carter Doctrine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 274, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4985304362046321057}, 'section': 'Section::::Abstract.'}]}]