What is {runway} of {Los Angeles International Airport} that is {material used} is {concrete} ?
What runways in LAX are made of concrete?
Which runway in LAX are made of concrete?
SELECT ?o WHERE { resource:Los_Angeles_International_Airport property:runway ?p . ?p property:made_from_material resource:concrete . ?p property:runway ?o }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q8731> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P529> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P186> <http://wikidata.dbpedia.org/resource/Q22657>
} 

SELECT ?obj WHERE { wd:Q8731 p:P529 ?s . ?s ps:P529 ?obj . ?s pq:P186 wd:Q22657 }