Question: Whihc associate of THomas Bryan Martin is also the founder of Pittsburgh ?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Thomas_Bryan_Martin> <http://dbpedia.org/ontology/associate> ?uri. <http://dbpedia.org/resource/Pittsburgh> <http://dbpedia.org/ontology/founder> ?uri}
Answer: [George Washington] is the associate of Thomas Bryan Martin and  the founder of Pittsburgh.