what is the {field of work} for {Stephen Hillenburg} has {employer} as {Ocean Institute} ?
What job did Stephen Hillenburg have when he worked at the Ocean Institute?
What was Stephen Hillenburg's field of work when he was employed by the Ocean Institute?
SELECT ?p WHERE { ?q property:field_of_work ?p . resource:Stephen_Hillenburg property:employer ?q . ?q property:employer resource:Ocean_Institute }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q318750> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P108> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3348664> .
?statement <http://www.wikidata.org/entity/P101> ?value. 
} 

SELECT ?value WHERE { wd:Q318750 p:P108 ?s . ?s ps:P108 wd:Q3348664 . ?s pq:P101 ?value}