What is the {controversy} for {participant} of {Donald Trump}
How has controversy been sparked by candidate Donald Trump?
How has the candidate Donald Trump sparked controversy?
SELECT DISTINCT ?t WHERE { ?t rdf:type ontology:controversy . ?t property:participant resource:Donald_Trump }
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/Q1255828> } 
 select distinct ?sbj where { ?sbj wdt:P710 wd:Q22686 . ?sbj wdt:P31 wd:Q1255828 } 
Donald Trump and Billy Bush recording controversy Trump–Ukraine scandal