What is <coolant> of <deuterium oxide> ?
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Which is the coolant of deuterium oxide?
SELECT DISTINCT ?n WHERE { ?n property:coolant resource:heavy_water }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P588> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q155890>. }
select distinct ?answer where { ?answer wdt:P588 wd:Q155890}
heavy water reactor CANDU reactor Dhruva reactor IPHWR-700 IPHWR-220 IPHWR