Question: Was Krzystof Wielicki the first person that ascended the mt everest?
SPARQL query: ASK WHERE { <http://dbpedia.org/resource/Mount_Everest> <http://dbpedia.org/ontology/firstAscentPerson> <http://dbpedia.org/resource/Krzysztof_Wielicki> }
Answer: [Yes], Krzysztof Wielicki is the first person climbing Mount Everest.