Question: What is the largest city of the birthplace of Pat Kirkwood?
SPARQL query: SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Pat_Kirkwood_(racing_driver)> <http://dbpedia.org/property/birthplace> ?x . ?x <http://dbpedia.org/ontology/largestCity> ?uri  . }
Answer: [Houston] is the largest city of the region where Pat Kirkwood was born.