what network is the channel which started before dec. the 12nd, 2003 on?
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class class literal
tv.tv_network broadcast.tv_channel 2003-12-12^^http://www.w3.org/2001/XMLSchema#date
tv.tv_network broadcast.tv_channel type.datetime
TV Network TV Channel Dec. the 12nd, 2003
none none <
tv.tv_network.channels broadcast.tv_channel.from
Channels From
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 :tv.tv_network . 
?x1 :type.object.type :broadcast.tv_channel . 
FILTER (?x2 < "2003-12-12-08:00"^^<http://www.w3.org/2001/XMLSchema#date>)
?x0 :tv.tv_network.channels ?x1 . 
?x1 :broadcast.tv_channel.from ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND tv.tv_network (JOIN tv.tv_network.channels (lt broadcast.tv_channel.from 2003-12-12^^http://www.w3.org/2001/XMLSchema#date)))