How many movies have Hisao Shirai and Shigeru Watanabe collaborated on?

They have worked on 5 movies together! Their first movie together was Ghost in the Shell (1995) while their highest rated movie together was Cardcaptor Sakura: The Sealed Card (2000). They have not worked together since WXIII: Patlabor The Movie 3 (2002). They are most known for their animation films together.