which bipropellant rocket engine has a chamber pressure of less than 74.0 and uses an oxidizer of nitric acid?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.03hd3kq m.02xlvp4 m.02xlvqg m.02xlvgs m.02xlvpt m.02xlvnk m.02xlvfy m.02xlvhm m.02xlvjg m.02xlvk8 m.02xlvl3 m.02xlvlz m.02xlvms
S5.19 RD-2 RD-1 RD-214U RD-1KhZ RD-3 RD-214F RD-214 RD-213 (D-13) RD-212 (D-41) RD-211 RD-210 RD-200
class entity literal
spaceflight.bipropellant_rocket_engine m.05fmf 74.0^^http://www.w3.org/2001/XMLSchema#float
spaceflight.bipropellant_rocket_engine spaceflight.rocket_engine_oxidizer type.float
Bipropellant rocket engine Nitric acid 74.0
none none <
spaceflight.bipropellant_rocket_engine.oxidizer spaceflight.bipropellant_rocket_engine.chamber_pressure
Oxidizer Chamber pressure
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 :spaceflight.bipropellant_rocket_engine . 
VALUES ?x1 { :m.05fmf } 
FILTER (?x2 < "74.0"^^<http://www.w3.org/2001/XMLSchema#float>)
?x0 :spaceflight.bipropellant_rocket_engine.oxidizer ?x1 . 
?x0 :spaceflight.bipropellant_rocket_engine.chamber_pressure ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND spaceflight.bipropellant_rocket_engine (AND (JOIN spaceflight.bipropellant_rocket_engine.oxidizer m.05fmf) (lt spaceflight.bipropellant_rocket_engine.chamber_pressure 74.0^^http://www.w3.org/2001/XMLSchema#float)))