question: Was M4 founded by M5 , M6 , and M7 and founded by a British actor of M1 , M2 , and M3
query: SELECT count(*) WHERE {
  ?x0 ns:film.actor.film/ns:film.performance.character M1 .
  ?x0 ns:film.actor.film/ns:film.performance.character M2 .
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M4 ns:organization.organization.founders ?x0 .
  M4 ns:organization.organization.founders M5 .
  M4 ns:organization.organization.founders M6 .
  M4 ns:organization.organization.founders M7
  }