question: Was M2 influenced by M3 and M4 , influenced by a British cinematographer , and influenced by M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:people.person.nationality ns:m.07ssc .
  M2 ns:influence.influence_node.influenced_by ?x0 .
  M2 ns:influence.influence_node.influenced_by M3 .
  M2 ns:influence.influence_node.influenced_by M4 .
  M2 ns:influence.influence_node.influenced_by M5
  }