question: Was M0 a male British screenwriter that M2 influenced and was influenced by
query: SELECT count(*) WHERE {
  M0 a ns:film.writer .
  M0 ns:influence.influence_node.influenced M2 .
  M0 ns:influence.influence_node.influenced_by M2 .
  M0 ns:people.person.gender ns:m.05zppz .
  M0 ns:people.person.nationality ns:m.07ssc
  }