what is the polling authority for election polls released no earlier than 06/03/2012?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
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class class literal
government.polling_authority government.election_poll 2012-06-03^^http://www.w3.org/2001/XMLSchema#date
government.polling_authority government.election_poll type.datetime
Polling authority Election poll 06/03/2012
none none >=
government.polling_authority.polls government.election_poll.release_date
Election polls Release date
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 :government.polling_authority . 
?x1 :type.object.type :government.election_poll . 
FILTER (?x2 >= "2012-06-03-08:00"^^<http://www.w3.org/2001/XMLSchema#date>)
?x0 :government.polling_authority.polls ?x1 . 
?x1 :government.election_poll.release_date ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND government.polling_authority (JOIN government.polling_authority.polls (ge government.election_poll.release_date 2012-06-03^^http://www.w3.org/2001/XMLSchema#date)))