the category turbo prop is a group containing which engines?
Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity Entity
m.02r3qgp m.06rg4m m.0fp5_r m.05c3svs m.01vwzq m.0792mn m.01vx2x m.02ptf91 m.02q4trv m.02sb6c m.02sb_p m.03vkk6 m.04pb9w m.04pbdm m.05b_y21 m.05cr37 m.05f9g6_ m.05h3bp m.05my8tp m.06zq3ry m.09k6kff m.0b234l m.0b2q79 m.0bl1cw m.0dgqr8p m.0h52ymt m.058h892 m.03s770
Allison T40 Kuznetsov NK-12 Armstrong Siddeley Python General Electric T31 Bristol Theseus Allison T56 Bristol Proteus Rolls-Royce RB.50 Trent Turbomeca Bastan Europrop TP400 Rolls-Royce AE 2100 Rolls-Royce Dart Armstrong Siddeley Double Mamba Armstrong Siddeley Mamba Pratt & Whitney T34 Rolls-Royce Clyde Garrett TPF351 Jendrassik Cs-1 Boeing T50 Napier Naiad General Electric H80 Bristol Orion Rolls-Royce Tyne Garrett TPE331 Ivchenko AI-20 Chrysler T36D Walter M601 Pratt & Whitney Canada PW100
class entity
engineering.engine m.07mql
engineering.engine engineering.engine_category
Engine turbo prop
none none
engineering.engine.category
Category
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 :engineering.engine . 
VALUES ?x1 { :m.07mql } 
?x0 :engineering.engine.category ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND engineering.engine (JOIN engineering.engine.category m.07mql))