question: Was M1 's executive producer and writer a person that M2 's sibling was influenced by and M3 's director influenced
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?x0 ns:influence.influence_node.influenced_by ?x2 .
  ?x1 ns:people.person.sibling_s/ns:people.sibling_relationship.sibling|ns:fictional_universe.fictional_character.siblings/ns:fictional_universe.sibling_relationship_of_fictional_characters.siblings M2 .
  ?x2 ns:film.director.film M3 .
  FILTER ( ?x1 != M2 )
  }