What is the {radio telescope} for {operator} of {California Institute of Technology}
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Which is the radio telescope operator of California Institute of Technology?
SELECT DISTINCT ?q WHERE { ?q property:operator resource:California_Institute_of_Technology . ?q rdf:type ontology:radio_telescope }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P137> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q161562> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q184356> } 
 select distinct ?sbj where { ?sbj wdt:P137 wd:Q161562 . ?sbj wdt:P31 wd:Q184356 } 
Caltech Submillimeter Observatory Q/U Imaging ExperimenT Goldstone Solar System Radar