How many movies have Gaspar 'Indio' González and Juan Prous collaborated on?

They have worked on 3 movies together! Their first movie together was Río Maldito (1966) while their highest rated movie together was ¿Quién soy yo? (1970). They have not worked together since ¿Quién soy yo? (1970). They are most known for their comedy films together.