Question: What organization was led by the person who said "Nothing pains some people more than having to think."? lead?
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:people.person.quotations ns:m.048fymc . 
?c ns:organization.organization_founder.organizations_founded ?x .
}