How many movies have Jana Robenková and Olga Rosenfelderová collaborated on?

They have worked on 6 movies together! Their first movie together was Na koho to slovo padne... (1980) while their highest rated movie together was Příště budeme chytřejší, staroušku! (1982). They have not worked together since Katapult (1984). They are most known for their drama films together.