question: Was M0 a male person that executive produced M2 and executive produced M3
query: SELECT count(*) WHERE {
  M0 a ns:people.person .
  M0 ns:film.producer.films_executive_produced M2 .
  M0 ns:film.producer.films_executive_produced M3 .
  M0 ns:people.person.gender ns:m.05zppz
  }