Simplify the following text for a Grade 13 native English-speaking person.
Original: Also that night , Stone Cold and Kurt Angle faced off for the WWF Championship , and then-WWF Commissioner William Regal , who sat at ringside to ensure a fair match would take place , hit Kurt Angle with the championship , thereby backstabbing the WWF and costing Angle the title .
Simplified: Also that night , Stone Cold and Kurt Angle faced off for the WWF Championship , and William Regal , who sat at ringside to ensure a fair match would take place , hit Kurt Angle with the championship , thereby backstabbing the WWF and costing Angle the title .