folsom v. marsh included how many legal subjects?
Value
1
class entity
law.legal_subject m.0_s1vkd
law.legal_subject law.legal_case
Legal subject Folsom v. Marsh
count none
law.legal_case.subject
Subject
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 (COUNT(?x0) AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :law.legal_subject . 
VALUES ?x1 { :m.0_s1vkd } 
?x1 :law.legal_case.subject ?x0 . 
FILTER ( ?x0 != ?x1  )
}
}
(COUNT (AND law.legal_subject (JOIN (R law.legal_case.subject) m.0_s1vkd)))