How many members of the Fellowship of the Ring is a Wizard?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q4167410', 'id': 0, 'label': 'Wikimedia disambiguation page'}, {'type': 'INTERNAL', 'name_': 'Q15228', 'id': 1, 'label': 'The Lord of the Rings'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q208002', 'id': 2, 'label': 'The Fellowship of the Ring'}, {'type': 'INTERNAL', 'name_': 'Q440079', 'id': 3, 'label': 'The Lord of the Rings'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q177499', 'id': 4, 'label': 'Gandalf'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q398599', 'id': 5, 'label': 'Wizard'}], 'links': [{'name_': 'P527', 'source': 1, 'target': 2, 'label': 'has part(s)'}, {'name_': 'P1889', 'source': 1, 'target': 3, 'label': 'different from'}, {'name_': 'P674', 'source': 1, 'target': 4, 'label': 'characters'}, {'name_': 'P31', 'source': 3, 'target': 0, 'label': 'instance of'}, {'name_': 'P1889', 'source': 3, 'target': 1, 'label': 'different from'}, {'name_': 'P31', 'source': 5, 'target': 0, 'label': 'instance of'}]}