question: Were M1 , M5 , M6 , and M7 executive produced by M2 and M3 , directed by M4 , and written by a person
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  M1 ns:film.film.directed_by M4 .
  M1 ns:film.film.executive_produced_by M2 .
  M1 ns:film.film.executive_produced_by M3 .
  M1 ns:film.film.written_by ?x0 .
  M5 ns:film.film.directed_by M4 .
  M5 ns:film.film.executive_produced_by M2 .
  M5 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.written_by ?x0 .
  M6 ns:film.film.directed_by M4 .
  M6 ns:film.film.executive_produced_by M2 .
  M6 ns:film.film.executive_produced_by M3 .
  M6 ns:film.film.written_by ?x0 .
  M7 ns:film.film.directed_by M4 .
  M7 ns:film.film.executive_produced_by M2 .
  M7 ns:film.film.executive_produced_by M3 .
  M7 ns:film.film.written_by ?x0
  }