Question: What was the nickname of the boxer that lost to Tiger Flowers  in the World Colored Middleweight Championship on 26 November 1926?

<P0-S0> The World Colored Middleweight Championship was a title awarded to black boxers in the late nineteenth and early twentieth centuries. <P0-S1>  This was the only recognized middleweight championship available to blacks prior to Tiger Flowers (5 August 1895 - 16 November 1927) winning the world middleweight boxing championship by defeating Harry Greb on 26 November 1926. <SEP> <P1-S0> Daniel Santos Peña (born October 10, 1975) is a former professional boxer who competed from 1996 to 2009. <P1-S1>  As an amateur Santos represented Puerto Rico in international events, including the 1990 and 1992 Junior World Championships, Pan American Boxing Tournament, Goodwill Games, 1995 Pan American Games and the 1996 Summer Olympics, where he won a bronze medal in the Welterweight Division. <P1-S2>  Santos debuted as a professional in 1996. <P1-S3>  Santos won the World Boxing Organization Welterweight championship on May 6, 2000. <P1-S4>  On March 16, 2002 he vacated the welterweight division's championship in order to compete against Yori Boy Campas for the vacant World Boxing Organization Light middleweight championship. <P1-S5>  Santos defended this championship on four occasions, against Mehrdud Takaloo (in a fight where he won the World Boxing Union Light middleweight championship), Fulgencio Zúñiga, Michael Lerma and Antonio Margarito before losing it to Sergiy Dzindziruk by unanimous decision in a fight that took place on December 3, 2005. <P1-S6>  On July 11, 2008, Santos won his third professional championship, knocking out Joachim Alcine in six rounds to win the World Boxing Association's light middleweight title. <SEP> <P2-S0> Edward Henry Greb (June 6, 1894 – October 22, 1926) was an American professional boxer. <P2-S1>  Nicknamed "The Pittsburgh Windmill", he was the American light heavyweight champion from 1922 to 1923 and world middleweight champion from 1923 to 1926. <P2-S2>  He fought a recorded 298 times in his 13 year-career, which began at around 140 pounds. <P2-S3>  He fought against the best opposition the talent-rich 1910s and 20s could provide him, frequently squaring off against light heavyweights and even heavyweights. Widely considered one of the best fighters of all time, Greb was named the 7th greatest fighter of the past 80 years by the "Ring Magazine", the 5th greatest fighter of all-time by historian Bert Sugar and ranked as the #1 middleweight and the #2 pound-for-pound fighter of all-time by the International Boxing Research Organization. <P2-S4>  Statistical boxing website BoxRec lists Greb as the #3 ranked middleweight of all-time and the 8th greatest pound-for-pound fighter ever. <SEP> <P3-S0> Panama Joe Gans was a black boxer who held the World Colored Middleweight Championship for four years, shortly before it was discontinued. <P3-S1>  Born Cyril Quinton Jr. on November 14, 1896 in Barbados, British West Indies and raised in the Panama Canal Zone, the 5'7" Quinton originally fought out of Panama and then New York City. <P3-S2>  He took his ringname from boxing great Joe Gans, the first black American fighter to win a world boxing title. <P3-S3>  He found his greatest fame fighting as a middleweight at between 147 and 160 lbs, but in his early career he took the Panamanian Lightweight Title and contended for the Panamanian Welterweight Title at weights roughly between 130 and 147 pounds.