question: Were M3 , M6 , and M7 influenced by M4 and M5 and influenced by a British actor of M1 and M2
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:people.person.nationality ns:m.07ssc .
  M3 ns:influence.influence_node.influenced_by ?x0 .
  M3 ns:influence.influence_node.influenced_by M4 .
  M3 ns:influence.influence_node.influenced_by M5 .
  M6 ns:influence.influence_node.influenced_by ?x0 .
  M6 ns:influence.influence_node.influenced_by M4 .
  M6 ns:influence.influence_node.influenced_by M5 .
  M7 ns:influence.influence_node.influenced_by ?x0 .
  M7 ns:influence.influence_node.influenced_by M4 .
  M7 ns:influence.influence_node.influenced_by M5
  }