Question: In what year was the game console for which Kowloon's Gate was released in 1997 released in Japan?

full_context: Document 1: List of Sega video game consoles: Sega is a video game developer, publisher, and hardware development company headquartered in Tokyo, Japan, with multiple offices around the world. The company has produced home video game consoles and handheld consoles since 1983; these systems were released from the third console generation to the sixth. Sega was formed from the merger of slot machine developer Service Games and arcade game manufacturer Rosen Enterprises in 1964, and it produced arcade games for the next two decades. After a downturn in the arcade game industry in the 1980s, the company transitioned to developing and publishing video games and consoles. The first Sega console was the Japan-only SG-1000, released in 1983. Sega released several variations of this console in Japan, the third of which, the Sega Mark III, was rebranded as the Master System and released worldwide in 1985. They went on to produce the Genesis—known as the Mega Drive outside of North America—and its add-ons beginning in 1988, the Game Gear handheld console in 1990, the Sega Saturn in 1994, and the Dreamcast in 1998.
Document 2: Kowloon's Gate: Kowloon's Gate (クーロンズゲート ) is an adventure video game developed by Zeque. It was released for the PlayStation in Japan on February 28, 1997, and re-released for the PlayStation Network on April 14, 2010.
Document 3: Zone of the Enders (video game): Zone of the Enders (ZONE OF THE ENDERS Z.O.E ゾーン　オブ　エンダーズ , Zōn obu Endāzu ) , officially abbreviated as Z.O.E, is a third-person shooter hack and slash video game that was developed and published by Konami for the PlayStation 2. It was released on March 1, 2001 in Japan and later in the same month for both North America and Europe. The game is based around mecha combat with the player controlling the "Orbital Frame" Jehuty. Across the game, the player has to protect towns from enemies and obtains new weapons.
Document 4: IBM PS/1: The IBM PS/1 is a brand for a line of personal computers that marked IBM's return to the home market in 1990, five years after the IBM PCjr. It was replaced by the IBM Aptiva in September 1994.
Document 5: International Superstar Soccer: International Superstar Soccer (known as Jikkyō World Soccer in Japan) was the name of a series of football video games developed by Japanese company Konami, mostly by their Osaka branch, Konami Computer Entertainment Osaka (KCEO). Titles in the series appeared on Super NES, Mega Drive, Nintendo 64, PlayStation, PlayStation 2, Xbox, Nintendo GameCube and PC formats. "International Superstar Soccer" should not be confused with Konami Computer Entertainment Tokyo's "Pro Evolution Soccer" series (also known as "Winning Eleven"), which was originally developed for the PlayStation.
Document 6: PlayStation 2: The PlayStation 2 (PS2) is a home video game console that was developed by Sony Computer Entertainment. It is the successor to the PlayStation, and is the second installment in the PlayStation lineup of consoles. It was released on March 4, 2000 in Japan, October 26, 2000 in North America, November 24, 2000 in Europe, and November 17, 2000 in Australia. It competed with Sega's Dreamcast, Microsoft's Xbox, and Nintendo's GameCube in the sixth generation of video game consoles.
Document 7: Steins;Gate 0: Steins;Gate 0 is a visual novel video game developed by 5pb. and Nitroplus. It is part of the "Science Adventure" series, and is a sequel to the 2009 game "Steins;Gate". It was released by 5pb. in Japan for the PlayStation 3, PlayStation 4 and PlayStation Vita in December 2015, Microsoft Windows in August 2016, and Xbox One in February 2017, and by PQube in North America and Europe for the PlayStation 4 and PlayStation Vita in November 2016. A prequel manga began serialization in 2017, and an anime adaptation and novelization of the game are planned.
Document 8: Yakuza 0: Yakuza 0 is an action-adventure video game developed and published by Sega. It is a prequel to the "Yakuza" series. The game takes place in December 1988 in Kamurocho, a fictionalized recreation of Tokyo's Kabukicho, and Sotenbori, a fictionalized recreation of Osaka's Dotonbori. It was released in Japan for PlayStation 3 and for PlayStation 4 on March 12, 2015, with the Taiwanese version released in May 2015. It was released in North America and Europe for PlayStation 4 in January 2017.
Document 9: Killzone (series): Killzone is a first-person and twin sticks shooter series of video games exclusively for Sony Computer Entertainment's (SCE) video game consoles. The main series and the PlayStation Portable (PSP) installment were developed by Guerrilla Games, a subsidiary of SCE, and the PlayStation Vita installment was developed by Guerrilla Cambridge in the United Kingdom. "Killzone" currently consists of six games spanning over the PlayStation 2, PlayStation Portable, PlayStation 3, PlayStation Vita, and the PlayStation 4. The series began on the PlayStation 2 in November 2004 with "Killzone", and continued on the PlayStation Portable in October 2006 with "". "Killzone 2" was released for the PlayStation 3 in February 2009 , and "Killzone 3" was released in February 2011 , also for the PlayStation 3. "" was released for the PlayStation Vita in September 2013, followed by "Killzone Shadow Fall", a launch title for the PlayStation 4, in November 2013.
Document 10: PlayStation (console): The PlayStation (officially abbreviated to PS, and commonly known as the PS1 or PSX) is a home video game console developed and marketed by Sony Computer Entertainment. The console was released on 3 December 1994 in Japan, 9 September 1995 in North America, 29 September 1995 in Europe, and for 15 November 1995 in Australia. The console was the first of the PlayStation lineup of home video game consoles. It primarily competed with the Nintendo 64 and the Sega Saturn as part of the fifth generation of video game consoles.
Document 11: Fourth generation of video game consoles: In the history of computer and video games, the fourth generation (more commonly referred to as the 16-bit era) of games consoles began on October 30, 1987 with the Japanese release of NEC Home Electronics' PC Engine (known as the TurboGrafx-16 in North America). This generation saw strong console wars. Although NEC released the first fourth generation console, and was second to the Super Famicom in Japan, this era's sales were mostly dominated by the rivalry between Nintendo and Sega's consoles in North America: the Super Nintendo Entertainment System (the Super Famicom in Japan) and the Sega Genesis (named the Mega Drive in other regions). Nintendo was able to capitalize on its previous success in the third generation and managed to win the largest worldwide market share in the fourth generation as well. Sega was extremely successful in this generation and began a new franchise, Sonic the Hedgehog, to compete with Nintendo's Mario series of games. Several other companies released consoles in this generation, but none of them were widely successful. Nevertheless, several other companies started to take notice of the maturing video game industry and began making plans to release consoles of their own in the future. This generation ended with the discontinuation of the Neo Geo in 2004.
Document 12: Bonk's Adventure: Bonk's Adventure is a 2D platform video game developed by Red Company and Atlus as the first game in the Bonk series that was released in 1989 in Japan and 1990 in North America for the TurboGrafx-16. In Japan it was released as PC Genjin (PC原人 ) in 1989, a play on the Japanese name for the system, 'PC Engine'. The game was re-released for the TurboGrafx-16 in the U.S. in 1992 on the "Gate of Thunder" 4-in-1 game CD-ROM. The game was later ported to the NES, Game Boy, Amiga, arcade systems under different titles (FC Genjin, GB Genjin and BC Genjin). It is also available through Nintendo's Virtual Console service, on the PlayStation Store and there is a version for mobile phones in Japan.
Document 13: PlayStation Vita: The PlayStation Vita (officially abbreviated PS Vita or Vita) is a handheld game console developed and released by Sony Interactive Entertainment. It is the successor to the PlayStation Portable as part of the PlayStation brand of gaming devices. It was released in Japan on December 17, 2011, with releases in North America, Europe, and other worldwide regions starting on February 22, 2012. It primarily competes with the Nintendo 3DS as part of the eighth generation of video game consoles.
Document 14: Grand Theft Auto: Liberty City Stories: Grand Theft Auto: Liberty City Stories is an open world action-adventure video game developed by Rockstar Leeds in conjunction with Rockstar North and published by Rockstar Games. Released on 25 October 2005 for the PlayStation Portable, it is the ninth game in the "Grand Theft Auto" series and was preceded by "" and succeeded by "". It is a prequel to "Grand Theft Auto III". It was published and distributed by Capcom for the Japanese release. It was released on PlayStation 3 via the PlayStation Network on 2 April 2013.
Document 15: PS3 (disambiguation): PlayStation 3 is a seventh-generation video game console made by Sony Computer Entertainment.
ground_truth: 1994