How many members are in Twice?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q884', 'id': 0, 'label': 'South Korea'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q20645861', 'id': 1, 'label': 'Twice'}, {'type': 'INTERNAL', 'name_': 'Q110821697', 'id': 2, 'label': 'The Feels'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q27869536', 'id': 3, 'label': 'Asia Artist Awards'}], 'links': [{'name_': 'P495', 'source': 2, 'target': 0, 'label': 'country of origin'}, {'name_': 'P175', 'source': 2, 'target': 1, 'label': 'performer'}, {'name_': 'P17', 'source': 3, 'target': 0, 'label': 'country'}]}