How many members are in the band Rascal Flatts?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q2280497', 'id': 0, 'label': 'country pop'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q753598', 'id': 1, 'label': 'Rascal Flatts'}, {'type': 'INTERNAL', 'name_': 'Q5417466', 'id': 2, 'label': 'Every Day'}], 'links': [{'name_': 'P136', 'source': 2, 'target': 0, 'label': 'genre'}, {'name_': 'P175', 'source': 2, 'target': 1, 'label': 'performer'}]}