question: Was a cinematographer influenced by M1 , M2 , M3 , and M4 and influenced by a character that produced M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.cinematographer .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x0 ns:influence.influence_node.influenced_by M3 .
  ?x0 ns:influence.influence_node.influenced_by M4 .
  ?x1 a ns:fictional_universe.fictional_character .
  ?x1 ns:film.producer.film|ns:film.production_company.films M6
  }