What is the {posthumous work} for {notable work} of {Ludwig Wittgenstein}
Which is the after death work that was the remarkable work of Ludwig Wittgenstein?
Which is the posthumous work that was the notable work of Ludwig Wittgenstein?
SELECT DISTINCT ?f WHERE { resource:Ludwig_Wittgenstein property:notable_work ?f . ?f rdf:type ontology:posthumous_work }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q9391> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P800> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q17518461> } 
 select distinct ?obj where { wd:Q9391 wdt:P800 ?obj . ?obj wdt:P31 wd:Q17518461 } 
Philosophical Investigations