Were M2 and M4 directed by a founder of M1 , executive produced by M3 , and directed by a person
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:organization.organization_founder.organizations_founded M1 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.directed_by ?x1 .
M2 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.directed_by ?x1 .
M4 ns:film.film.executive_produced_by M3
}