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