Question: When did the Lakers have a 4-0 record in the championship?
Answer(s):
answer: 2002 NBA Finals

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0jmk7)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0jmk7 ns:sports.sports_team.championships ?x .
?x ns:sports.sports_championship_event.result "4 - 0"@en . 
}