What is {agent} of {in action} of {James C. Marshall} ?
What is operator in activity of James C. Marshall ?
What   is agent in   action of James C. Marshall ?
SELECT ?s WHERE { resource:James_C._Marshall property:conflict ?u . ?u property:participant ?s }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q21197527> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P607>. ?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/P710> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q21197527 wdt:P607 ?X . ?X wdt:P710 ?answer}
Central Powers Allies of the First World War Douglas MacArthur Takeo Kurita Thomas Cassin Kinkaid Chester W. Nimitz Tomoyuki Yamashita Jisaburō Ozawa Walter Krueger George Kenney