What is the {art exhibition} for {exhibition history} of {Mona Lisa}
Where is the Mona Lisa shown?
Where is the Mona Lisa exhibited?
SELECT DISTINCT ?f WHERE { ?f rdf:type ontology:art_exhibition . resource:Mona_Lisa property:exhibition_history ?f }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q12418> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P608> . ?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/Q667276> } 
 select distinct ?obj where { wd:Q12418 wdt:P608 ?obj . ?obj wdt:P31 wd:Q667276 } 
Mona Lisa by Leonardo da Vinci The Mona Lisa by Leonardo da Vinci Mona Lisa Exhibition