What is the {art exhibition} for {participant} of {David Hockney}
What craftsmanship show did David Hockney take part in?
What art exhibition did David Hockney participate in?
SELECT DISTINCT ?q WHERE { ?q rdf:type ontology:art_exhibition . ?q property:participant resource:David_Hockney }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P710> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q159907> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q667276> } 
 select distinct ?sbj where { ?sbj wdt:P710 wd:Q159907 . ?sbj wdt:P31 wd:Q667276 } 
4. documenta documenta 6 David Hockney: A Bigger Picture