what is the {part of} for {Skylab} has {crew member} as {William R. Pogue} ?
William R. Pogue is a crew member of what Skylab?
Which part of Skylab has a crew member called William R. Pogue?
SELECT ?v WHERE { ?a property:part_of ?v . resource:Skylab property:crew_member(s) ?a . ?a property:crew_member(s) resource:William_R._Pogue }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q190776> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1029> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q460440> .
?statement <http://www.wikidata.org/entity/P361> ?value. 
} 

SELECT ?value WHERE { wd:Q190776 p:P1029 ?s . ?s ps:P1029 wd:Q460440 . ?s pq:P361 ?value}