What is the {human} for {chief operating officer} of {SpaceX}
Whos in charge of SpaceX
Who is the CEO of SpaceX?
SELECT DISTINCT ?u WHERE { ?u rdf:type ontology:human . resource:SpaceX property:chief_operating_officer ?u }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q193701> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1789> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q193701 wdt:P1789 ?obj . ?obj wdt:P31 wd:Q5 } 
Gwynne Shotwell