What is {PhD advisor} of {doctoral student} of {Louis Marin} ?
Doctoral student Louis Marin's PhD advisor is?
who is PhD advisor for doctoral student of Louis Marin ?
SELECT ?j WHERE { resource:Louis_Marin property:doctoral_student ?q . ?q property:doctoral_advisor ?j }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q370389> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P185>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P184> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q370389 wdt:P185 ?X . ?X wdt:P184 ?answer}
Louis Marin Louis Marin Roland Barthes Louis Marin