Who created the original design for the Washington Monument?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q6455666', 'id': 0, 'label': "L'Enfant Plan"}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q6977769', 'id': 1, 'label': 'National Register of Historic Places listings in Washington, D.C.'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q178114', 'id': 2, 'label': 'Washington Monument'}], 'links': [{'name_': 'P2817', 'source': 0, 'target': 1, 'label': 'appears in the heritage monument list'}, {'name_': 'P527', 'source': 0, 'target': 2, 'label': 'has part(s)'}]}