How many movies have Johannes Allmayer and Sandra Gräber collaborated on?

They have worked on 3 movies together! Their first movie together was Kein Sex ist auch keine Lösung (2011) while their highest rated movie together was Schutzpatron. Ein Kluftingerkrimi (2016). They have not worked together since Schutzpatron. Ein Kluftingerkrimi (2016). They are most known for their crime films together.