How many regions in England have a population of less than 5 million?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q21', 'id': 0, 'label': 'England'}, {'type': 'INTERNAL', 'name_': 'Q130', 'id': 1, 'label': 'Friday'}, {'type': 'INTERNAL', 'name_': 'Q30302686', 'id': 2, 'label': '5:3'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q203', 'id': 3, 'label': '5'}, {'type': 'INTERNAL', 'name_': 'Q171117', 'id': 4, 'label': 'flag of England'}, {'type': 'INTERNAL', 'name_': 'Q17015971', 'id': 5, 'label': 'No Such Thing as a Fish'}], 'links': [{'name_': 'P138', 'source': 1, 'target': 3, 'label': 'named after'}, {'name_': 'P4934', 'source': 2, 'target': 3, 'label': 'calculated from'}, {'name_': 'P5236', 'source': 3, 'target': 3, 'label': 'prime factor'}, {'name_': 'P1001', 'source': 4, 'target': 0, 'label': 'applies to jurisdiction'}, {'name_': 'P2061', 'source': 4, 'target': 2, 'label': 'aspect ratio (W:H)'}, {'name_': 'P495', 'source': 5, 'target': 0, 'label': 'country of origin'}, {'name_': 'P6437', 'source': 5, 'target': 1, 'label': 'day of regular release'}]}