Please answer the following question: Information: - The .38 ACP (Automatic Colt Pistol) also known as the .38 Auto was introduced at the turn of the 20th century for the John Browning-designed Colt M1900. It was first used in Colt's Model 1897 prototype, which he did not produce. The metric designation for the round is 923mmSR (SRSemi Rimmed) (not to be confused with the modern 923mm Winchester or the .380 ACP). - Automatic Colt Pistol (ACP) denotes various John Browning cartridge designs primarily used in Colt and Fabrique Nationale de Herstal pistols. All of these cartridges are straight-sided and appear similar. The .25 ACP, .32 ACP, and .38 ACP are semi-rimmed and headspace on the rim, while the rimless .380 ACP and .45 ACP headspace on the mouth of the case. - George Kellgren (born May 23, 1943) is a Swedish-born firearms designer and founder of the gun manufacturer Kel-Tec. His designs include the Intratec Tec-9, Kel-Tec P-11 and Grendel .380 ACP pocket pistol. He holds patent 7469496. - The .380 ACP (9x17mm) (Automatic Colt Pistol) is a rimless, straight-walled pistol cartridge developed by firearms designer John Moses Browning. The cartridge headspaces on the mouth of the case. It was introduced in 1908 by Colt, for use in its new Colt Model 1908 pocket hammerless semi-automatic, and has been a popular self-defense cartridge ever since, seeing wide use in numerous handguns (typically smaller weapons). Other names for .380 ACP include .380 Auto, 9mm Browning, 9mm Corto, 9mm Kurz, 9mm Short, 917mm and 9mm Browning Court (which is the C.I.P. designation). It is not to be confused with .38 ACP, 9mm Ultra, 9mm Makarov or 9mm Parabellum. - The P - 3AT is a locked breech , double action only .380 ACP pistol introduced by Kel - Tec in 2003 and based on the P - 32 . The frame is made of polymer with an aluminum insert , and the slide and barrel are steel . It is the lightest production .380 ACP pistol in the world , weighing only 8.3 oz ( 240 g ) empty , and is roughly the same size as many .22 and .25 - caliber pistols . - Kel-Tec CNC Industries Inc. is an American developer and manufacturer of firearms. Founded in 1991 and based in Cocoa, Florida, the company has manufactured firearms since 1995, starting with semi-automatic pistols and expanding to rifles and then shotguns. Kel-Tec is a privately owned Florida corporation. George Kellgren is the owner and Chief Engineer. He is the Swedish designer who also designed many earlier Husqvarna (in Sweden), Swedish Interdynamics AB (in Sweden), Intratec, and Grendel brand firearms. The company has been developing and manufacturing a wide variety of firearms, ranging from automatic handguns i.e. pistols to automatic rifles and shotguns. After reading the paragraphs above, we are interested in knowing the entity with which 'kel-tec p-3at' exhibits the relationship of 'designer'. Find the answer from the choices below. Choices: - george kellgren - john browning - winchester
A:
george kellgren