Question: What founder of the Federal Reserve Board had a governmental position that ended after 18 January 1940?
Answer(s):
answer: Franklin D. Roosevelt

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.02xmb)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.02xmb ns:organization.organization.founders ?x .
?x ns:government.political_appointer.appointees ?c .
?c ns:government.government_position_held.to ?num .
FILTER (?num > "1940-01-18"^^xsd:dateTime) . 
}