who was quoted in the source of yon cassius has a lean and hungry look; he thinks too much; such men are dangerous?
Entity
m.08z_2r
Marcus Junius Brutus
class class class entity
opera.opera_character media_common.quotation media_common.quotation_source m.048fg4m
opera.opera_character media_common.quotation media_common.quotation_source media_common.quotation
Opera Character Quotation Quotation Source Yon Cassius has a lean and hungry look; He thinks too much; such men are dangerous
none none none none
fictional_universe.fictional_character.quotations media_common.quotation.source media_common.quotation.source
Quotations Source Source
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 :opera.opera_character . 
?x1 :type.object.type :media_common.quotation . 
?x2 :type.object.type :media_common.quotation_source . 
VALUES ?x3 { :m.048fg4m } 
?x0 :fictional_universe.fictional_character.quotations ?x1 . 
?x1 :media_common.quotation.source ?x2 . 
?x3 :media_common.quotation.source ?x2 . 
FILTER ( ?x0 != ?x1 && ?x0 != ?x2 && ?x0 != ?x3 && ?x1 != ?x2 && ?x1 != ?x3 && ?x2 != ?x3  )
}
}
(AND opera.opera_character (JOIN fictional_universe.fictional_character.quotations (JOIN media_common.quotation.source (JOIN (R media_common.quotation.source) m.048fg4m))))