Question: Which famous political figure appointed william cushing, and also founded Pittsburgh>
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Pittsburgh> <http://dbpedia.org/ontology/founder> ?uri. <http://dbpedia.org/resource/William_Cushing> <http://dbpedia.org/ontology/appointer> ?uri}
Answer: [George Washington] is the founders of the Pittsburgh and appointer of William Cushing.