What is the {profession} for {field of this occupation} of {rugby union}
who profession for field of this occupation of rugby union?
 select distinct ?sbj where { ?sbj wdt:P425 wd:Q5849 . ?sbj wdt:P31 wd:Q28640 } 
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/P425> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q5849> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q28640> } 
Who would seek to enter the sport profession of the rugby union?