question: Which Canadian screenwriter executive produced M1 , M2 , M3 , M4 , and M5 and produced M7
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M7 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }