What is the {chemical compound} for {conjugate base} of {water}
What is the chemical compound of water?
What is the chemical compound of water?
SELECT DISTINCT ?k WHERE { ?k property:conjugate_base resource:water . ?k rdf:type ontology:chemical_compound }
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/P4149> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q283> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q11173> } 
 select distinct ?sbj where { ?sbj wdt:P4149 wd:Q283 . ?sbj wdt:P31 wd:Q11173 } 