What is the {human} for {mother} of {Patty Duke}
Who was Patty Duke's mom?
Who is the person that was the mother of Patty Duke?
SELECT DISTINCT ?l WHERE { ?l property:mother resource:Patty_Duke . ?l rdf:type ontology:human }
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/P25> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q232538> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?sbj where { ?sbj wdt:P25 wd:Q232538 . ?sbj wdt:P31 wd:Q5 } 
Sean Astin Mackenzie Astin