Question: What events in which Stephanie Rice competes were events that ended prior to 14 August 2008?
Answer(s):
answer: Swimming at the 2008 Summer Olympics - Women's 200 metre Individual Medley
answer: Swimming at the 2008 Summer Olympics - Women's 400 metre Individual Medley

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0c1qx3)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0c1qx3 ns:olympics.olympic_athlete.medals_won ?y .
?y ns:olympics.olympic_medal_honor.event ?x .
?x ns:time.event.end_date ?num .
FILTER (?num < "2008-08-14"^^xsd:dateTime) . 
}