Task: Explanation
Input (English): The Colt 9mm SMG is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle. Question: What was designed by Georg Luger and manufactured by Colt?  Answer: 9×19mm Parabellum
Output (English): The Colt 9mm SMG is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle.