Question: Which famous writer was married to Jill Krementz and had a son named Edith Vonnegut ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri onto:spouse <http://dbpedia.org/resource/Jill_Krementz> . ?uri onto:child <http://dbpedia.org/resource/Edith_Vonnegut>  . ?uri rdf:type onto:Writer}