Question: Give me the name of the organization hqed at  Chaeng Watthana Govt Complex?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x onto:headquarter <http://dbpedia.org/resource/Chaeng_Watthana_Government_Complex> . ?x prop:agencyName ?uri . ?x rdf:type onto:Organisation}