question: Did M0 's editor influence a film producer and influence a film editor
query: SELECT count(*) WHERE {
  ?x0 ns:film.editor.film M0 .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?x0 ns:influence.influence_node.influenced ?x2 .
  ?x1 a ns:film.editor .
  ?x2 a ns:film.producer
  }