Question: What did Steven T Mason's father die from?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/child> <http://dbpedia.org/resource/Stevens_T._Mason> . ?x <http://dbpedia.org/ontology/deathCause> ?uri  . }
Answer: The cause of death of the person with child Stevens T. Mason is [Cholera].