How many members were in Milli Vanilli?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q850540', 'id': 0, 'label': 'Milli Vanilli'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q3053241', 'id': 1, 'label': 'Empire Bizarre'}], 'links': [{'name_': 'P1366', 'source': 1, 'target': 0, 'label': 'replaced by'}]}