Question: Who started the Federal Reserve Board and also started his position after January 2, 1939?
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.from ?num .
FILTER (?num > "1939-01-02"^^xsd:dateTime) . 
}