name the champion at the first tennis tournament where olga morozova has a title.
Entity
m.01gggl
Chris Evert
class class literal entity
tennis.tennis_tournament_champion tennis.tennis_tournament_championship 0^^http://www.w3.org/2001/XMLSchema#int m.03_m4x
tennis.tennis_tournament_champion tennis.tennis_tournament_championship type.datetime tennis.tennis_tournament_champion
Tennis Tournament Champion Tennis Tournament Championship 0 Olga Morozova
none none argmin none
tennis.tennis_tournament_championship.winner tennis.tennis_tournament_championship.year tennis.tennis_tournament_champion.tennis_titles
Winner Year Tennis Titles
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :tennis.tennis_tournament_champion . 
?x1 :type.object.type :tennis.tennis_tournament_championship . 
{
SELECT (MIN(?y2) AS ?x2)  WHERE { 
?y0 :type.object.type :tennis.tennis_tournament_champion . 
?y1 :type.object.type :tennis.tennis_tournament_championship . 
VALUES ?y3 { :m.03_m4x } 
?y1 :tennis.tennis_tournament_championship.winner ?y0 . 
?y1 :tennis.tennis_tournament_championship.year ?y2 . 
?y3 :tennis.tennis_tournament_champion.tennis_titles ?y1 . 
FILTER ( ?y0 != ?y1 && ?y0 != ?y2 && ?y0 != ?y3 && ?y1 != ?y2 && ?y1 != ?y3 && ?y2 != ?y3  )
}
}
VALUES ?x3 { :m.03_m4x } 
?x1 :tennis.tennis_tournament_championship.winner ?x0 . 
?x1 :tennis.tennis_tournament_championship.year ?x2 . 
?x3 :tennis.tennis_tournament_champion.tennis_titles ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(ARGMIN (AND tennis.tennis_tournament_champion (JOIN (R tennis.tennis_tournament_championship.winner) (JOIN (R tennis.tennis_tournament_champion.tennis_titles) m.03_m4x))) (JOIN (R tennis.tennis_tournament_championship.winner) tennis.tennis_tournament_championship.year))