name the engineer who is the partner in the firm whitbybird and partners.
Entity
m.046vkws
Mark Whitby
class entity
architecture.engineer m.027ws14
architecture.engineer architecture.engineering_firm
Engineer Whitbybird and Partners
none none
architecture.engineer.partner_in_firm
Partner In Firm
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 :architecture.engineer . 
VALUES ?x1 { :m.027ws14 } 
?x0 :architecture.engineer.partner_in_firm ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND architecture.engineer (JOIN architecture.engineer.partner_in_firm m.027ws14))