What is the {news conference} for {participant} of {Donald Trump}
Which unused conference did Donald Trump take part in?
Which new conference did Donald Trump participate in?
SELECT DISTINCT ?c WHERE { ?c property:participant resource:Donald_Trump . ?c rdf:type ontology:news_conference }
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/Q22686> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q272281> } 
 select distinct ?sbj where { ?sbj wdt:P710 wd:Q22686 . ?sbj wdt:P31 wd:Q272281 } 
President Trump press conference February 16, 2017