Question: When did the famous tennis player that went to Indiana University East win the Wimbledon?
Answer(s):

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:people.person.education ?k .
?k ns:education.education.institution ns:m.04vdjf . 
?c ns:tennis.tennis_tournament_champion.tennis_titles ?y .
?y ns:tennis.tennis_tournament_championship.year ?x .
?y ns:tennis.tennis_tournament_championship.winner ?c .
?y ns:tennis.tennis_tournament_championship.tournament ns:m.0mmmt .
}