How many movies have Teyyub Akhundov and Yusif Veliyev collaborated on?

They have worked on 3 movies together! Their first movie together was Dağlarda Döyüş (1967) while their highest rated movie together was The Avenger of Ganjabasar (1974). They have not worked together since Sound of the Pipe (1975). They are most known for their history films together.