what is the name of the musician that plays mandocello?
Entity Entity Entity Entity Entity
m.01mhz0q m.05cljf m.0zjpz m.03193l m.01l5fqp
Tim O'Brien Keith Urban Richie Sambora David Grisman Show of Hands
class entity
music.group_member m.0698d8
music.group_member music.instrument
Musician Mandocello
none none
music.group_member.instruments_played
Instruments Played
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.group_member . 
VALUES ?x1 { :m.0698d8 } 
?x0 :music.group_member.instruments_played ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND music.group_member (JOIN music.group_member.instruments_played m.0698d8))