Does the {electric charge} of the {pion} {equals} {-1}
Is the pion actually electrically charged to -1?
Is it true that the electric charge of the pion equals to -1?
ASK WHERE { FILTER ( ?t = -1 ) . resource:pion property:electric_charge ?t }
ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q4097> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2200>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj. filter(?obj = -1) }
ASK WHERE { wd:Q4097 wdt:P2200 ?obj filter(?obj = -1) } 