Does the {oxidation state} of the {phosphorus} {equals} {3}
Is the oxidation state of phosphorus equal to 3?
ASK WHERE { wd:Q674 wdt:P1121 ?obj filter(?obj = 3) } 
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q674> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1121>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj = 3) }
Is 3 the oxidation state of phosphorus?