which network is the channel which started before aug. the 18th, 2013 on?
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m.01cfvm m.01gl9g m.01h_yt m.021c6_ m.026rvy7 m.027glbp m.0297d2 m.02p10m m.0545dc m.0567xw m.05gc15 m.06zts3b m.07tmtd m.097q3v m.0kc6x m.0kc9f m.0kcbd m.0ljc_ m.095s49 m.03pmw1 m.01wr14 m.013fn m.015l0p m.02khm_ m.02wlv6g m.065hrw m.0cthks m.0kc8y m.0kcd5 m.0ncl8zk m.0z3_702 m.04gm56s m.0d090l m.075hvm m.07pn3x m.052307 m.0gsrx1 m.08my9r m.0rfhc95 m.09v3nfb m.03q25k m.03bxlmh m.03qc7_x g.11b8cgrmxv m.06by8_ m.0351zc m.02bv5k m.01xb6q m.04r7ts m.0hmxn m.0zfw11j m.05bgd7 m.0h1j8g m.027677 m.055f58 m.027630 m.0rpgtww m.04_1lzv m.076ssz g.11b8cfw9l7 g.11bc1fk40_ m.02p7v2n m.04gwq9 m.03h1j7 m.0cp11dm m.03cf611 m.0rphrng g.11bv64hw37 m.02rlz2m m.021z_5 m.02z2v5z m.0dlh58 m.0439wd m.0cc8lnq m.0cyf21 m.08zwk2 m.07k0qz m.0ch56r4 m.02qzywg m.0267x_z m.0f2q59 m.02q8kf9 m.01sh1x m.0119kfrx m.0gff8nr m.0wq6hxj m.0dns2r m.02rtpjp m.0w38pjd m.03x679 m.047llqf m.06ldql m.0nb832q m.0286q5s g.11bc165ltq m.03pngf m.0dckd_ g.11bv6479k4 g.11b8cg5848 m.02hjgj g.11bv6396hv g.11b8cg8gxl g.11b8cgb4pt g.11bc14_70f m.098jx_ g.11bc1fb8t2 m.01177_0d g.11b8cfzn8l g.11bv64mb8b
NRK CNBC City Turner Broadcasting System TV Today Network Al Jazeera Televisión Española Univision Telewizja Polska DR Slovak Television Fox International Channels Sociedade Independente de Comunicação ProSiebenSat.1 Media ESPN Disney Channel Fox Sports Networks Cartoon Network DIY Network TVN MTV3 Australian Broadcasting Corporation SBS Viacom Media Networks YLE Česká televize Disney–ABC Television Group Discovery Channel TNT British Broadcasting Corporation News Nation Network Pvt Ltd Disney XD TV4 Middle East Broadcasting Center Polsat Comcast SportsNet Hot Kanal 5 Fusion Nickelodeon (Greece) Hallmark Channel Voom HD Networks Rediffusion null Pakistan Television Corporation Geo TV CTV Two Hellenic Broadcasting Corporation Omni Television Global Television Network A+E Networks Asia Sky Italia MTV Ukraine ZTV Sub TV3 Hum Network Limited Telecom Italia Media Setanta Sports null null SBS Television TVBS STAR TV Global News Pay TV StarLightMedia null MTV Networks Asia Pacific TV 2 Universal Networks International MTV Italy Astro Mediaset España Comunicación Showtime Scandinavia Vietnam Television Viacom International Media Networks Atresmedia Jim TeleRadio-Moldova Nickelodeon National Television Company of Ukraine Romanian Television Sky Movies Root Sports Nelonen Media Corporació Catalana de Mitjans Audiovisuals Disney Channel Space Shower Networks Inc. STAR Sports Network AB Groupe Telelatino Solar News Channel All-Russia State Television and Radio Broadcasting Company null Hot Bird TNT null null Digital terrestrial television null null null null Star! Scandinavia null Television in Spain null null
class class literal
tv.tv_network broadcast.tv_channel 2013-08-18^^http://www.w3.org/2001/XMLSchema#date
tv.tv_network broadcast.tv_channel type.datetime
TV Network TV Channel Aug. the 18th, 2013
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 < "2013-08-18-08:00"^^<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 2013-08-18^^http://www.w3.org/2001/XMLSchema#date)))