Who was an American president and a general at Valley Forge during the Revolutionary War?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q11696', 'id': 0, 'label': 'President of the United States'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q40949', 'id': 1, 'label': 'American Revolutionary War'}, {'type': 'INTERNAL', 'name_': 'Q4167836', 'id': 2, 'label': 'Wikimedia category'}, {'type': 'INTERNAL', 'name_': 'Q8136012', 'id': 3, 'label': 'Category:American Revolutionary War'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q1855211', 'id': 4, 'label': 'Valley Forge'}, {'type': 'INTERNAL', 'name_': 'Q8271805', 'id': 5, 'label': 'Category:Assistants to the President of the United States'}, {'type': 'INTERNAL', 'name_': 'Q55246088', 'id': 6, 'label': 'Category:Marine One'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1125423', 'id': 7, 'label': 'Marine One'}, {'type': 'INTERNAL', 'name_': 'Q8894929', 'id': 8, 'label': 'Category:Valley Forge'}], 'links': [{'name_': 'P910', 'source': 1, 'target': 3, 'label': "topic's main category"}, {'name_': 'P301', 'source': 3, 'target': 1, 'label': "category's main topic"}, {'name_': 'P31', 'source': 3, 'target': 2, 'label': 'instance of'}, {'name_': 'P910', 'source': 4, 'target': 8, 'label': "topic's main category"}, {'name_': 'P971', 'source': 5, 'target': 0, 'label': 'category combines topics'}, {'name_': 'P31', 'source': 5, 'target': 2, 'label': 'instance of'}, {'name_': 'P31', 'source': 6, 'target': 2, 'label': 'instance of'}, {'name_': 'P301', 'source': 6, 'target': 7, 'label': "category's main topic"}, {'name_': 'P31', 'source': 8, 'target': 2, 'label': 'instance of'}, {'name_': 'P301', 'source': 8, 'target': 4, 'label': "category's main topic"}]}