Question: What film job has been held by people in the movie industry such as Mary Sheeley and Jonathan De Quan?
Answer(s):
answer: Editor

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.04_by)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.04_by ns:people.person.profession ?x .
?x ns:film.film_job.films_with_this_crew_job ?c .
?c ns:film.film_crew_gig.crewmember ns:m.01nfsr . 
}