What is the {rock band} for {genre} of {hard rock}
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Name a hard rock band.
SELECT DISTINCT ?b WHERE { ?b rdf:type ontology:rock_group . ?b property:genre resource:hard_rock }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P136> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q83270> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5741069> } 
 select distinct ?sbj where { ?sbj wdt:P136 wd:Q83270 . ?sbj wdt:P31 wd:Q5741069 } 
Hinder The Gone Jackals DDT Rev Theory The Damned Things D Hollywood Rose Feeder Mucc The Alfee Cheap Trick Petra Survivor Samson Steppenwolf F.T. Island Foo Fighters Jefferson Airplane Winger Styx April Wine The Who Deep Purple Fleetwood Mac Uriah Heep Scorpions Kiss Aerosmith Nautilus Pompilius The Animals Wishbone Ash Pearl Jam B'z Rival Sons Soundgarden Def Leppard Jethro Tull The Beatles Led Zeppelin Red Hot Chili Peppers The Rolling Stones Guns N’ Roses Queen Muse AC/DC Free Cream Toto DragonForce 3 Colours Red UFO Staind Foreigner Shturtzite Creed House of Lords Skillet Agatha Christie Airbag The Angels Gotthard Humble Pie Make-Up Nazareth Ten Theory of a Deadman Rascal Flatts Vanilla Fudge Cactus Cuca Aria Beyond The New Order The Snakes Vaughn Wizard ZooL Road Roquefire Third Brigade Wild Willy's Gang Taaq Vatreni poljubac Objektif Malt Karavan King Lizard Magdallan Night Horse Riff (band) Sweeney Todd Danger Danger Unwritten Law White Lion Hardline Riot V Soil Tesla Freak Kitchen Spooky Tooth T-Slam Taproot Royal Republic Warrant Trust Spiritual Beggars Vixen Night Ranger Montrose Show-Ya Bang Tango Harem Scarem Extremoduro TNT Gillan Loaded Autograph Logan Enuff Z'nuff Ruble Faithfull Patricio Rey y sus Redonditos de Ricota Los Suaves Ningen Isu Obús Living Loud Hard Stuff The Elderberries Agnes Strange Edge of Forever Gamma Louna Trek Orgia Pravednikov The Wildhearts Against the Season Burn Burn Season Slank Cinder Road Eldorado Engine HaYehudim La Beriso espinosa Bombus Alice Cooper We Are Harlot Band-Maid S.U.N. RavenEye Motor Sister Denigh Inglorious 42-01 Mental Hippie Blood Giraffe Tongue Orchestra Rival Waves Wild Fire Zen From Mars DeafBrood The Hu Koch Marshall Trio Supersism Prospect Hill The Phone Call Damage Stingray Vended Vuelta Atrás Classless Act The Dives Bad Touch Bad Mother Seed