who designed the bipropellant rocket engine whose thrust is the smallest (sea level).
Entity
m.02p_3s6
NPO Energomash
class class literal
spaceflight.rocket_engine_designer spaceflight.bipropellant_rocket_engine 0^^http://www.w3.org/2001/XMLSchema#int
spaceflight.rocket_engine_designer spaceflight.bipropellant_rocket_engine type.float
Rocket engine designer Bipropellant rocket engine 0
none none argmin
spaceflight.rocket_engine.designed_by spaceflight.rocket_engine.thrust_sea_level
Designed by Thrust (sea level)
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.rocket_engine_designer . 
?x1 :type.object.type :spaceflight.bipropellant_rocket_engine . 
{
SELECT (MIN(?y2) AS ?x2)  WHERE { 
?y0 :type.object.type :spaceflight.rocket_engine_designer . 
?y1 :type.object.type :spaceflight.bipropellant_rocket_engine . 
?y1 :spaceflight.rocket_engine.designed_by ?y0 . 
?y1 :spaceflight.rocket_engine.thrust_sea_level ?y2 . 
FILTER ( ?y0 != ?y1 && ?y0 != ?y2 && ?y1 != ?y2  )
}
}
?x1 :spaceflight.rocket_engine.designed_by ?x0 . 
?x1 :spaceflight.rocket_engine.thrust_sea_level ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(ARGMIN spaceflight.rocket_engine_designer (JOIN (R spaceflight.rocket_engine.designed_by) spaceflight.rocket_engine.thrust_sea_level))