What is {writer} of {Julius Caesar}, that has {sister} is {Joan Shakespeare} ?
who is the author of Julius Caesar who includes a sister named Joan Shakespeare?
who is the writer of Julius Caesar who has a sister named Joan Shakespeare?
SELECT ?o WHERE { resource:Julius_Caesar property:author ?o . ?o property:sibling resource:Joan_Shakespeare }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q215750> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P50>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?answer. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3373> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q6205446> . }
SELECT ?answer WHERE { wd:Q215750 wdt:P50 ?answer . ?answer wdt:P3373 wd:Q6205446}
William Shakespeare