Question: Who held a position until 12/15/1918 and started the federal reserve board?
Answer(s):
answer: Woodrow Wilson

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 "1918-12-15"^^xsd:dateTime . 
}