Question: What organization led by the subject of the film King: A Filmed Record... Montgomery to Memphis?
Answer(s):
answer: Southern Christian Leadership Conference
answer: Montgomery Improvement Association

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:film.film_subject.films ns:m.0jyh7 . 
?c ns:organization.organization_founder.organizations_founded ?x .
}