What is the {human} for {student} of {Pliny the Elder}
Who is the person that was a student of Pliny the Elder?
 select distinct ?sbj where { ?sbj wdt:P802 wd:Q82778 . ?sbj wdt:P31 wd:Q5 } 
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/P802> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q82778> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
Who was Pliny the Elder's student?