what is the {coordinate location} for {National Aeronautics and Space Administration} has {headquarters location} as {Washington, D.C.} ?
Headquartered in Washington, D.C., what are the coordinates for NASA?
What are the coordinates for the National Aeronautics and Space Administration that is headquartered in Washington, D.C.?
SELECT ?o WHERE { resource:NASA property:headquarters_location ?r . ?r property:headquarters_location resource:Washington,_D.C. . ?r property:coordinate_location ?o }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q23548> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P159> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q61> .
?statement <http://www.wikidata.org/entity/P625> ?value. 
} 

SELECT ?value WHERE { wd:Q23548 p:P159 ?s . ?s ps:P159 wd:Q61 . ?s pq:P625 ?value}