How many countries have exclaves in the Netherlands?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q55', 'id': 0, 'label': 'Netherlands'}, {'type': 'INTERNAL', 'name_': 'Q1766396', 'id': 1, 'label': 'Rijksdienst voor het Cultureel Erfgoed'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1180205', 'id': 2, 'label': 'De Nederlandsche Bank'}], 'links': [{'name_': 'P17', 'source': 1, 'target': 0, 'label': 'country'}, {'name_': 'P2652', 'source': 1, 'target': 2, 'label': 'partnership with'}]}