which football match was held at liberty stadium?
Entity Entity
m.0107j7_n m.010nbmh1
2014 Swansea City vs Chelsea FC football match 2014 England U21 vs. Wales U21
class entity
soccer.football_match m.06_m_x
soccer.football_match soccer.football_pitch
Football Match Liberty Stadium
none none
soccer.football_match.held_at
Held at
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 :soccer.football_match . 
VALUES ?x1 { :m.06_m_x } 
?x0 :soccer.football_match.held_at ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND soccer.football_match (JOIN soccer.football_match.held_at m.06_m_x))