What is the {cation} for {conjugate acid} of {water}
who cation for conjugate acid of water?
 select distinct ?obj where { wd:Q283 wdt:P4147 ?obj . ?obj wdt:P31 wd:Q326277 } 
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q283> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P4147> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q326277> } 
who cation for conjugate corrosive of water?