Question: which term is used to identify having official power to act
[{'answer': 'Authority', 'provenance': [{'wikipedia_id': '170653', 'title': 'Authority', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'authority', 'provenance': [{'wikipedia_id': '170653', 'title': 'Authority', 'start_paragraph_id': 2, 'start_character': 16, 'end_paragraph_id': 2, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '170653', 'title': 'Authority', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12496607234015718418}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '170653', 'title': 'Authority', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 543, 'bleu_score': 0.548327760051049, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12496607234015718418}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3519449', 'title': 'Plenary power', 'section': 'Section::::United States.\n', 'start_paragraph_id': 6, 'end_paragraph_id': 6, 'meta': {'evidence_span': ["Although it is clear that the people, through the States, delegated authority to Congress to 'regulate Commerce", 'Although it is clear that the people, through the States, delegated authority to Congress to \'regulate Commerce ... among the several States\' (Commerce Clause), one could easily get the sense from this Court\'s opinions that the federal system exists only at the sufferance of Congress." ("Hodel v. Virginia Surface Mining & Reclamation Association", 1981.)']}}]}, {'provenance': [{'wikipedia_id': '170653', 'title': 'Authority', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['In government, "authority" is often used interchangeably with "power".', 'In government, "authority" is often used interchangeably with "power". However, their meanings differ: while "power" is the ability to order or accomplish a goal or to influence others, "authority" refers to a claim of legitimacy, the justification and right to exercise that power', 'In government, "authority" is often used interchangeably with "power".']}}]}]