Question: When did construction begin on the stadium that hosted the K-1 World Grand Prix 2003 Final?

full_context: Document 1: Saitama Super Arena: Saitama Super Arena (さいたまスーパーアリーナ , Saitama Sūpā Arīna ) is a multi-purpose indoor stadium located in Chūō-ku, Saitama City, Saitama, Japan. Its spectator capacity is 36,500 at maximum settings, making it the second largest indoor arena in the world. This main arena capacity is between 19,000 and 22,500 when events such as basketball, volleyball, tennis, ice hockey, gymnastics, boxing, mixed martial arts, and professional wrestling take place there. It is also the only Japanese arena equipped especially for American football. The arena features a gigantic moveable section of seating which can reduce capacity for smaller events and create a more intimate setting.
Document 2: The Dome at America's Center: The Dome at America's Center, or The Dome, is a multi-purpose stadium used mostly for American football in St. Louis, Missouri, United States. It primarily served as the home of the St. Louis Rams from 1995 until 2015 when the Rams relocated back to Los Angeles in 2016. The stadium, previously known as the Trans World Dome from 1995 to 2001, and then as the Edward Jones Dome from 2002 to 2016, was constructed largely to lure an NFL team back to St. Louis and to serve as a convention center.
Document 3: Tokyo Dome: Tokyo Dome (東京ドーム , Tōkyō Dōmu ) is a stadium in Bunkyo, Tokyo, Japan. Construction on the stadium began on May 16, 1985, and it opened on March 17, 1988. It was built on the site of the Velodrome, adjacent to the predecessor ballpark, Kōrakuen Stadium. It has a maximum total capacity of 55,000 depending on configuration, with an all-seating configuration of 42,000.
Document 4: K-1 World Grand Prix 2005 in Tokyo Final: K-1 World Grand Prix 2005 in Tokyo Final was a kickboxing event promoted by the K-1. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, November 19, 2005 in front of 58,213 spectators. It was the thirteenth K-1 World Grand Prix final, involving twelve of the world's best K-1 fighters (four being reservists), with all bouts fought under K-1 Rules (100 kg/156-220 lbs). The tournament qualifiers had almost all qualified via the K-1 World Grand Prix 2005 in Osaka - Final Elimination with the exception of Remy Bonjasky who was the reigning champion. As well as tournament matches there was also an 'Opening Fight' fought under K-1 Rules between Patrick Barry and Alexander Pitchkounov. In total there were fourteen fighters at the event, representing eleven countries.
Document 5: K-1 Grand Prix '98 Final Round: K-1 Grand Prix '98 Final Round was a martial arts event promoted by the K-1. The event was held at the Tokyo Dome in Tokyo, Japan on Sunday, December 13, 1998 in front of 63,800 spectators. It was the sixth K-1 World Grand Prix final involving eight of the world's best heavyweight fighters (+95 kg/209 lbs), with all bouts fought under K-1 Rules. The eight finalists had all qualified via elimination fights at the K-1 World Grand Prix '98 Opening Round. Also on the card was a number of 'Freshman Fights' fought under a mixture of Jiu-Jitsu Freestyle and K-1 Rules (various weight classes). In total there were eighteen fighters at the event, representing seven countries.
Document 6: Tokyo Dome City Attractions: Tokyo Dome City Attractions (東京ドームシティアトラクションズ ) is an amusement park located next to the Tokyo Dome in Bunkyō, Tokyo, Japan, and forms a part of the Tokyo Dome City entertainment complex. It opened in 1958, and was formerly known as Kōrakuen (後楽園ゆうえんち ) until April 2003. It was one of the most popular amusement parks in Tokyo. Rides include the "Big O" Ferris wheel and "Thunder Dolphin" roller coaster.
Document 7: National Stadium (Tokyo): National Stadium (国立競技場 , Shin kokuritsu kyōgijō ) was a multi-purpose stadium in Kasumigaoka, Shinjuku, Tokyo, Japan. The stadium served as the main stadium for the opening and closing ceremonies, as well as being the venue for track and field events at the 1964 Summer Olympic Games. The Japan national football team's home matches and major football club cup finals were held at the stadium. The stadium's official capacity was 57,363, but the real capacity was only 48,000 seats.
Document 8: K-1 World Grand Prix 2006 in Tokyo Final: K-1 World Grand Prix 2006 in Tokyo Final was a kickboxing promoted by the K-1 organization. It was the fourteenth K-1 World Grand Prix final, the culmination of a year full of regional elimination tournaments, involving twelve of the world's best K-1 fighters (four being reservists). It followed K-1's classic tournament format - eight fighters compete in a quarter final contests with the four winners advancing to a pair of semi final bouts, and the two winners there clashing in the final. All fights were conducted under K-1 Rules (100 kg/156-220 lbs), three rounds of three minutes each, with a possible tiebreaker.
Document 9: Rungrado 1st of May Stadium: The Rungrado 1st of May Stadium, also known as the May Day Stadium, is a multi-purpose stadium in Pyongyang, North Korea, completed on 1 May 1989. It is the largest stadium in the world, with a total capacity of 114,000. The site occupies an area of 20.7 ha .
Document 10: Pontiac Silverdome: The Pontiac Silverdome, formerly known as the Silverdome, is a stadium in Pontiac, Michigan, United States, which is a suburb of Detroit. It opened in 1975 and sits on 127 acre of land. When the stadium opened, it featured a fiberglass fabric roof held up by air pressure, the first use of the technique in a major athletic facility. The roof has since been destroyed. With a seating capacity of 82,000, it was the largest stadium in the National Football League (NFL) until FedExField (91,000 capacity) in suburban Washington, D.C., opened in 1997.
Document 11: K-1 World Grand Prix 2003 Final Elimination: K-1 World Grand Prix 2003 Final Elimination was a kickboxing event promoted by the K-1 organization. The event was held at the Osaka Dome in Osaka, Japan on Saturday, October 11, 2003 in front of 31,700 spectators. It was the final elimination competition for the K-1 World Grand Prix 2003, involving fourteen fighters from across the world, with all bouts being fought under K-1 Rules (100 kg/156-220 lbs). The fourteen fighters were a mixture of invitees or had qualified via previous events (for more information on this see the bulleted list below).
Document 12: Luzhniki Stadium: Luzhniki Stadium (Russian: Стадион «Лужники» ; ] ), is a sports stadium in Moscow, Russia. Its total seating capacity is 81,000 seats, all covered (upgraded). The stadium is a part of the Luzhniki Olympic Complex, and is located in Khamovniki District of the Central Administrative Okrug of Moscow city. The name "Luzhniki" derives from the flood meadows in the bend of Moskva River where the stadium was built, translating roughly as "The Meadows". Its the biggest stadium in eastern Europe.
Document 13: K-1 World Grand Prix 2008 Final: K-1 World Grand Prix 2008 Final was a martial arts event held by the K-1 on Saturday December 6, 2008 at the Yokohama Arena in Yokohama, Japan. It was the 16th K-1 World GP Final, the culmination of a year full of regional elimination tournaments. All fights followed the classic 8-man tournament format and were conducted under K-1 rules; three rounds of three minutes each, with a possible tiebreaker. The qualification for the top eight fighters in this event was held at K-1 World Grand Prix 2008 in Seoul Final 16.
Document 14: K-1 Grand Prix '99 Final Round: K-1 Grand Prix '99 Final Round was a martial arts event promoted by the K-1 organization. It was the seventh K-1 World Grand Prix final involving eight of the world's best fighters, with all bouts fought under K-1 Rules. The eight finalists had all qualified via elimination fights at the K-1 World Grand Prix '99 Opening Round. Also on the card was a number of 'Freshman Fights' and an 'Opening Fight' fought under a mixture of Jiu-Jitsu and K-1 Rules (various weight class) and two 'Super Fights' fought under K-1 Rules (various weight classes). In total there were twenty fighters at the event, representing eight countries.
Document 15: K-1 World Grand Prix 2003 Final: K-1 World Grand Prix 2003 Final was a kickboxing event promoted by the K-1 organization. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday,December 6, 2003 in front of 67,320 spectators. It was the eleventh K-1 World Grand Prix final involving ten of the world's best fighters (two being reservists). The eight finalists had almost all qualified via preliminary events, while two additional fighters were invited as reserve fighters (for more detail on this see bulleted list below), with all bouts being fought under K-1 Rules (100 kg/156-220 lbs). As well as tournament bouts there was also an 'Opening Fight' between Yusuke Fujimoto and Matthias Riccio and a 'Super Fight' between Martin Holm and Jan Nortje, both fought under K-1 Rules. In total there were fourteen fighters at the event, representing ten countries.
ground_truth: May 16, 1985