How many teams play in this league in which Antonio Carlos Dos Santos's club Schaffhausen competes?
António Carlos dos Santos Antonio Carlos Dos Santos (born October 3, 1979) is a Brazilian footballer who plays as a midfielder for Swiss Challenge League club Schaffhausen. He is feared for his dangerous free kicks.
National League A (Floorball) The National League A is the highest league in Swiss floorball. Between the season 2007/08 and 2012/13 the league was called "Swiss Mobiliar League" (SML). It was named after the insurance company "Mobiliar". The NLA is composed of 12 teams and the women's league of ten teams (eight until season 2016/17). The lower league is called National League B.