question: Did a film producer that was influenced by M1 play M2 , M3 , M4 , M5 , M6 , and M7
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:film.actor.film/ns:film.performance.character M2 .
  ?x0 ns:film.actor.film/ns:film.performance.character M3 .
  ?x0 ns:film.actor.film/ns:film.performance.character M4 .
  ?x0 ns:film.actor.film/ns:film.performance.character M5 .
  ?x0 ns:film.actor.film/ns:film.performance.character M6 .
  ?x0 ns:film.actor.film/ns:film.performance.character M7 .
  ?x0 ns:influence.influence_node.influenced_by M1
  }