What is the most westerly state that does not have more than one Congressional district?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q17166756', 'id': 0, 'label': 'United States congressional district'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q13751836', 'id': 1, 'label': 'list of United States congressional districts'}], 'links': [{'name_': 'P360', 'source': 1, 'target': 0, 'label': 'is a list of'}]}