question: Was M3 's editor influenced by a British cinematographer , influenced by M0 and M1 , and influenced by M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M3 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M0 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x1 a ns:film.cinematographer .
  ?x1 ns:people.person.nationality ns:m.07ssc
  }