what is the match type that is associated with the tennis tournament that vincent richards won?
Entity Entity Entity
m.04hdtl0 m.04hdtlb m.04hdtln
Men's doubles Men's singles Mixed doubles
class class entity
tennis.tennis_match_type tennis.tennis_tournament_championship m.03k195
tennis.tennis_match_type tennis.tennis_tournament_championship tennis.tennis_tournament_champion
Tennis Match Type Tennis Tournament Championship Vincent Richards
none none none
tennis.tennis_tournament_championship.event_type tennis.tennis_tournament_championship.winner
Event Type Winner
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_match_type . 
?x1 :type.object.type :tennis.tennis_tournament_championship . 
VALUES ?x2 { :m.03k195 } 
?x1 :tennis.tennis_tournament_championship.event_type ?x0 . 
?x1 :tennis.tennis_tournament_championship.winner ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND tennis.tennis_match_type (JOIN (R tennis.tennis_tournament_championship.event_type) (JOIN tennis.tennis_tournament_championship.winner m.03k195)))