Did {Boris_Johnson} {father} {Stanley Johnson}?
Is Stanley Johnson's son Boris Johnson?
Is Boris Johnson the father of Stanley Johnson?
ASK WHERE { resource:Boris_Johnson property:father resource:Stanley_Johnson }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q180589> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P22> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7599711>. } 
ASK WHERE { wd:Q180589 wdt:P22 wd:Q7599711 }