How many games of The Sims were released?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'INTERNAL', 'name_': 'Q150', 'id': 1, 'label': 'French'}, {'type': 'INTERNAL', 'name_': 'Q173941', 'id': 2, 'label': 'Electronic Arts'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q203', 'id': 3, 'label': '5'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q4897444', 'id': 4, 'label': 'The Sims'}, {'type': 'INTERNAL', 'name_': 'Q182771', 'id': 5, 'label': 'The Sims 2'}, {'type': 'INTERNAL', 'name_': 'Q106855079', 'id': 6, 'label': None}, {'type': 'INTERNAL', 'name_': 'Q6622215', 'id': 7, 'label': 'I Saw the Figure 5 in Gold'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 2, 'target': 0, 'label': 'country'}, {'name_': 'P6275', 'source': 2, 'target': 2, 'label': 'copyright representative'}, {'name_': 'P5236', 'source': 3, 'target': 3, 'label': 'prime factor'}, {'name_': 'P123', 'source': 4, 'target': 2, 'label': 'publisher'}, {'name_': 'P527', 'source': 4, 'target': 5, 'label': 'has part(s)'}, {'name_': 'P495', 'source': 5, 'target': 0, 'label': 'country of origin'}, {'name_': 'P407', 'source': 5, 'target': 1, 'label': 'language of work or name'}, {'name_': 'P123', 'source': 5, 'target': 2, 'label': 'publisher'}, {'name_': 'P179', 'source': 5, 'target': 4, 'label': 'part of the series'}, {'name_': 'P407', 'source': 6, 'target': 1, 'label': 'language of work or name'}, {'name_': 'P179', 'source': 6, 'target': 3, 'label': 'part of the series'}, {'name_': 'P495', 'source': 7, 'target': 0, 'label': 'country of origin'}, {'name_': 'P180', 'source': 7, 'target': 3, 'label': 'depicts'}]}