Question: Where is Azumazeki stable first sekitori from?

Context articles: Takadagawa stable
Nakamura stable
Kiriyama stable
Akebono Tarō
Tagonoura stable (2000)
Shikihide stable
Takamiyama Daigorō
Azumazeki stable
Daihi Susumu
Musashigawa stable (2013)

Takadagawa stable (高田川部屋 , Takadagawa-beya ) is a stable of sumo wrestlers, one of the Nishonoseki "ichimon" or group of stables.
 It was formed in 1974 by former "ōzeki" Maenoyama, and was originally in the Takasago group of stables, but was excommunicated from that group in 1998 due to disagreement over group nominations to the Japan Sumo Association's board of directors.
 The stable does not have any foreigners as of 2012, but a series of wrestlers from Taiwan were recruited in the late 1980s and a Mongolian, Maenoyu, was at the stable from 2004 until 2007.
 Maenoyama handed over control to former "sekiwake" Akinoshima in 2009, as he was approaching the mandatory retirement age.
 As of May 2015 the stable had 23 wrestlers, making it one of the largest in sumo, but it did not have any "sekitori" between Dairaido′s last appearance in "jūryō" in July 2006 and the promotion of in September 2012, where he lasted for only one tournament.
 In September 2014 Kagayaki reached "jūryō", ending Takadagawa's "sekitori" drought.
 Kagayaki went on to reach the top "makuuchi" division in January 2016, the first Takadagawa wrestler to do so since Kenkō in 1992, and Ryūden returned to "jūryō" in November 2016.
Nakamura stable (中村部屋 , Nakamura-beya ) was a stable of sumo wrestlers, one of the Takasago group of stables.
 It was established in its modern incarnation in May 1986 by Fujizakura of the Takasago stable.
 The stable's first sekitori was in November 1995.
 It did not produce any makuuchi wrestlers.
 As of December 2007 it had 14 sumo wrestlers.
 The stable had a policy of not recruiting foreigners or former collegiate competitors.
 Instead, the stablemaster only accepted new recruits out of middle school.
 However, he did allow his wrestlers to take high school correspondence courses over the internet.
Kiriyama stable (桐山部屋 , Kiriyama beya ) was a stable of sumo wrestlers, part of the Tatsunami "ichimon" or group of stables.
 It was set up in January 1995 by the former "komusubi" Kurosegawa, who branched out from the now defunct Isegahama stable and took with him the remaining members of the Onaruto stable which closed at the end of 1994.
 In 2000 it absorbed Kise stable, and in 2007 its parent Isegahama stable.
 As of 2009, it had seven wrestlers.
 In that year the stable also produced its first "sekitori," the Mongolian Tokusegawa.
 It was also the home of the chief "yobidashi" or usher.
 The stable closed after the January 2011 tournament, with its personnel moving to Asahiyama stable, except the "yobidashi" Kokichi who moved to Tomozuna stable, and "gyoji" Kiichiro Shikimori and "tokoyama" Tokosaku who moved to Oitekaze stable.
Akebono Tarō (曙 太郎 , Akebono Tarō , born Chadwick Haheo Rowan; 8 May 1969) is an American-born Japanese professional wrestler and former sumo wrestler from Waimānalo, Hawaii.
 Joining the professional sport in Japan in 1988, he was trained by pioneering Hawaiian sumo wrestler Takamiyama and rose swiftly up the rankings, reaching the top division in 1990.
 After two consecutive "yusho" or tournament championships in November 1992 and January 1993 he made history by becoming the first non-Japanese-born wrestler ever to reach "yokozuna", the highest rank in sumo.
Tagonoura stable (田子ノ浦部屋 , Tagonoura-beya ) was a stable of sumo wrestlers, part of the Dewanoumi "ichimon" or group of stables.
 It was established in February 2000 by former "maegashira" Kushimaumi, who branched off from Dewanoumi stable.It was located in the Koto ward of Tokyo.
 In 2012 it had eight sumo wrestlers.
 The most senior of whom was Bulgarian Aoiyama (Daniel Ivanov) who became the stable's first sekitori and reached the rank of "maegashira" 7 in January 2012.
Shikihide stable (式秀部屋 , Shikihide-beya ) , full name Shikimori Hidegoro stable, is a stable of sumo wrestlers, part of the Dewanoumi "ichimon" or group of stables.
 It was set up in 1992 by former "komusubi" Ōshio.
 The stable did not produce a "sekitori" until 2012, when his top wrestler Senshō of Mongolia finally won promotion to "jūryō" in the January tournament after eleven years in sumo.
 The nineteen years and nine months Shikihide stable took to produce a "sekitori" is the longest by a newly established stable since World War II.
Takamiyama Daigorō (髙見山 大五郎 , born 16 June 1944 as Jesse James Wailani Kuhaulua) is a former sumo wrestler, the first foreign born wrestler to win the top division championship (in 1972).
 His highest rank was "sekiwake".
 His active career spanned twenty years from 1964 to 1984, and he set a number of longevity records, including most tournaments ranked in the top "makuuchi" division, and most consecutive top division appearances.
 He is also the first foreign born wrestler ever to take charge of a training stable, founding Azumazeki stable in 1986.
 His most successful wrestler was fellow Hawaiian Akebono who reached the highest rank of "yokozuna" in 1993.
 He retired as a coach in 2009.
Azumazeki stable (東関部屋 , Azumazeki-beya ) is a stable of sumo wrestlers, part of the Takasago group of stables.
 It is located at Higashi–Komagata, Sumida, Tokyo.
 It was founded in February 1986 by the Hawaiian born Takamiyama of the Takasago stable.
 Azumazeki's first "sekitori" was Akebono, also from Hawaii, in 1990, who subsequently reached the "yokozuna" rank.
 A total of nine foreign born wrestlers have fought for the stable: seven from the United States, one from Great Britain and one (Kosei) from China who retired in January 2017.
 As of January 2016 it had eleven wrestlers.
Daihi Susumu (born 16 October 1952 as Susumu Ogura) is a former sumo wrestler from Nagoya, Aichi, Japan.
 He made his professional debut in March 1968, and reached the top division in January 1977.
 His highest rank was "maegashira" 2.
 For much of his active career he was known under the "shikona" of Onobori, before switching to Daihi in 1978.
 He retired in May 1983 and became an elder in the Japan Sumo Association under the name Yamahibiki and coached at Oyama stable.
 In April 1986 the acting stablemaster (ex-"ōzeki" Matsunobori) died and Daihi took over the stable and the Oyama name.
 The stable was shut down in June 1986 and he became a coach at Takasago stable.
 He moved to Azumazeki stable in December 2011 and as of 2016 he is a coach there, still under the Oyama name.
The Musashigawa stable (武蔵川部屋 Musashigawa-beya?)
 is a stable of sumo wrestlers, part of the Dewanoumi ichimon or group of stables.
 It is an off-shoot of the better known stable of the same name set up by former "yokozuna" Mienoumi in 1981, that changed its name to Fujishima stable when former "ōzeki" Musōyama took over as head coach in September 2010.
 Former "yokozuna" Musashimaru branched off from this stable in April 2013 after taking on the elder name of his former head coach, starting a new stable using the Musashigawa name, and starting a new generation of Musashigawa stable.
 This is the second stable in sumo history to be headed (and founded) by a foreign-born former sumo wrestler after Takamiyama's Azumazeki stable.
 The head coach's nephew is a wrestler at the stable under the shikona of Musashikuni and is ranked in the makushita division as of 2017.
 The stable is also home to the half Japanese, half African-American wrestler Wakaichiro.