Was M4 founded by M0 's editor , founded by a Canadian employee of M1 , and founded by a person
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x1 ns:people.person.nationality ns:m.0d060g .
?x2 a ns:people.person .
M4 ns:organization.organization.founders ?x0 .
M4 ns:organization.organization.founders ?x1 .
M4 ns:organization.organization.founders ?x2
}