What is {employment} of {spouses} of {Jussi Björling} ?
What is the job of Jussi Björling's  spouse?
What kind of employment do the spouses of Jussi Björling do?
SELECT ?e WHERE { ?c property:occupation ?e . resource:Jussi_Björling property:spouse ?c }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q56157> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P26>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P106> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q56157 wdt:P26 ?X . ?X wdt:P106 ?answer}
actor singer opera singer