question: Was a cinematographer influenced by M3 's British male director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x1 ns:film.director.film M3 .
  ?x1 ns:people.person.gender ns:m.05zppz .
  ?x1 ns:people.person.nationality ns:m.07ssc
  }