How many movies have Romualdo Quiroga and Sixto Pondal Ríos collaborated on?

They have worked on 5 movies together! Their first movie together was Después del silencio (1956) while their highest rated movie together was Plaza Huincul (Pozo uno) (1960). They have not worked together since Los guerrilleros (1965). They are most known for their drama films together.