How many novels has Stephen King written?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q6173448', 'id': 0, 'label': 'Wikipedia:Vital articles/Level/4'}, {'type': 'INTERNAL', 'name_': 'Q21199', 'id': 1, 'label': 'natural number'}, {'type': 'INTERNAL', 'name_': 'Q17714', 'id': 2, 'label': 'Stephen Hawking'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q39829', 'id': 3, 'label': 'Stephen King'}, {'type': 'INTERNAL', 'name_': 'Q1489644', 'id': 4, 'label': 'Dizi keyfi 2013'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q774689', 'id': 5, 'label': '61'}], 'links': [{'name_': 'P5008', 'source': 1, 'target': 0, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P5008', 'source': 2, 'target': 0, 'label': 'on focus list of Wikimedia project'}, {'name_': 'P1889', 'source': 2, 'target': 3, 'label': 'different from'}, {'name_': 'P31', 'source': 4, 'target': 1, 'label': 'instance of'}, {'name_': 'P5236', 'source': 4, 'target': 5, 'label': 'prime factor'}]}