question: Was M4 produced by a French film editor that M1 and M2 influenced
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:influence.influence_node.influenced_by M1 .
  ?x0 ns:influence.influence_node.influenced_by M2 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }