What is the {discoverer or inventor} and the {named after} of {Electron} ?
What was the electron named for and who invented it?
Who discover (or invented) the Electron and who was the Electron named for?
SELECT ?x ?b WHERE { resource:electron property:named_after ?b . resource:electron property:discoverer_or_inventor ?x }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2225> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P61> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_1. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2225> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P138> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q2225 wdt:P61 ?ans_1 . wd:Q2225 wdt:P138 ?ans_2 }
J. J. Thomson amber