Was M3 founded by a person that M1 and M2 were produced by and edited by and founded by M4
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M2 .
M3 ns:organization.organization.founders ?x0 .
M3 ns:organization.organization.founders M4
}