Question: Which relative of Ralf Schumacher is a famous formula one racer?
SPARQL query: SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/relatives> <http://dbpedia.org/resource/Ralf_Schumacher>  . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/FormulaOneRacer>}
Answer: [Michael Schumacher] is the Formula One racer whose relative is Ralf Schumacher.