question: Was a film editor a art director that M2 , M3 , M4 , and M5 were influenced by and M6 and M7 influenced
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 a ns:film.film_art_director .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:influence.influence_node.influenced M3 .
  ?x0 ns:influence.influence_node.influenced M4 .
  ?x0 ns:influence.influence_node.influenced M5 .
  ?x0 ns:influence.influence_node.influenced_by M6 .
  ?x0 ns:influence.influence_node.influenced_by M7
  }