What is the {subject has role} and the {location of discovery} of {Iodine} ?
What does iodine do and where was it discovered?
Which the {subject has role} and the {location of discovery} of {Iodine} ?
SELECT ?p ?s WHERE { resource:iodine property:subject_has_role ?p . resource:iodine property:location_of_discovery ?s }
 SELECT ?ans_1 ?ans_2 WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1103> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2868> . ?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/Q1103> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P189> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?ans_2. } 
SELECT ?ans_1 ?ans_2 WHERE { wd:Q1103 wdt:P2868 ?ans_1 . wd:Q1103 wdt:P189 ?ans_2 }
Paris trace metal Paris local anti-infective agent