question: Were M4 and M6 produced by M5 and written by a British actor that M1 and M2 were founded by
query: SELECT count(*) WHERE {
  ?x0 a ns:film.actor .
  ?x0 ns:organization.organization_founder.organizations_founded M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M4 ns:film.film.produced_by|ns:film.film.production_companies M5 .
  M4 ns:film.film.written_by ?x0 .
  M6 ns:film.film.produced_by|ns:film.film.production_companies M5 .
  M6 ns:film.film.written_by ?x0
  }