question: Did M3 's Mexican executive producer influence M0 , M1 , and M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:influence.influence_node.influenced M0 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced M2 .
  ?x0 ns:people.person.nationality ns:m.0b90_r
  }