How many movies have Francisco G. Siurana and María Asun Trevijano collaborated on?

They have worked on 5 movies together! Their first movie together was La viudita ye-ye (1968) while their highest rated movie together was Dig Your Grave Friend... Sabata's Coming (1971). They have not worked together since Dig Your Grave Friend... Sabata's Coming (1971). They are most known for their comedy films together.