question: Was a cinematographer and editor of M2 influenced by M0 , influenced by M1 , and influenced by a film producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.cinematographer.film M2 .
  ?x0 ns:film.editor.film M2 .
  ?x0 ns:influence.influence_node.influenced_by ?x1 .
  ?x0 ns:influence.influence_node.influenced_by M0 .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x1 a ns:film.producer
  }