What is the {isotope of hydrogen} for {decays to} of {tritium}
Is tritium the result of the isotope of hydrogen decay?
Does the isotope of hydrogen decay into tritium
SELECT DISTINCT ?p WHERE { ?p rdf:type ontology:isotope_of_hydrogen . ?p property:decays_to resource:tritium }
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/P816> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q54389> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q466603> } 
 select distinct ?sbj where { ?sbj wdt:P816 wd:Q54389 . ?sbj wdt:P31 wd:Q466603 } 
hydrogen-5 hydrogen-4 hydrogen-7