which composition form is the super form of piano sextet?
Entity Entity Entity
m.0g4_958 m.0g51glp m.0g51gn1
March for Wind Sextet in B-flat Major Sextet for Strings and Winds Sextet for Winds
class class entity
music.composition music.compositional_form m.030qrm
music.composition music.compositional_form music.compositional_form
Composition Composition type Piano sextet
none none none
music.compositional_form.compositions music.compositional_form.superforms
Compositions Super-forms
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 :music.composition . 
?x1 :type.object.type :music.compositional_form . 
VALUES ?x2 { :m.030qrm } 
?x1 :music.compositional_form.compositions ?x0 . 
?x2 :music.compositional_form.superforms ?x1 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x1 != ?x2  )
}
}
(AND music.composition (JOIN (R music.compositional_form.compositions) (JOIN (R music.compositional_form.superforms) m.030qrm)))