what is the {coordinate location} for {ConocoPhillips} has {headquarters location} as {Houston} ?
What is the location of ConocoPhillips' headquarters in Houston?
What are the coordinates of ConocoPhillips' headquarters in Houston?
SELECT ?q WHERE { ?v property:coordinate_location ?q . ?v property:headquarters_location resource:Houston . resource:ConocoPhillips property:headquarters_location ?v }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q214763> .
?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/Q16555> .
?statement <http://www.wikidata.org/entity/P625> ?value. 
} 

SELECT ?value WHERE { wd:Q214763 p:P159 ?s . ?s ps:P159 wd:Q16555 . ?s pq:P625 ?value}