What is {family name} of {Gerty Cori} that is {has cause} is {marriage} ?
What is Gery Cori's family title some time recently marriage?
What is Gery Cori's family name before marriage?
SELECT ?r WHERE { ?x property:has_cause resource:marriage . resource:Gerty_Cori property:family_name ?x . ?x property:family_name ?r }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q204733> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P734> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P828> <http://wikidata.dbpedia.org/resource/Q8445>
} 

SELECT ?obj WHERE { wd:Q204733 p:P734 ?s . ?s ps:P734 ?obj . ?s pq:P828 wd:Q8445 }