How many movies have Mon del Rosario and Oscar Querijero collaborated on?

They have worked on 7 movies together! Their first movie together was Barbi: Maid in the Philippines (1989) while their highest rated movie together was Ang Pinakamahabang Baba sa Balat ng Lupa (1997). They have not worked together since Haba-baba-doo! Puti-puti-poo! (1998). They are most known for their comedy films together.