Given the task definition and input, reply with output. In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : Larry Paul Langford (born March 17, 1948) is an American politician who served as mayor of the city of Birmingham, Alabama now serving a 15-year federal felony sentence. He previously served on the Jefferson County, Alabama, Commission, including four years as the first African-American commission president. He also served as mayor of Fairfield, Alabama, and served one term on the Birmingham City Council. Prior to entering politics, Langford was a well-known television personality, having worked for then-local ABC affiliate, WBRC TV as the community's first African-American TV news reporter. In 2010, Langford began serving a 15-year federal felony sentence, the result of a highly publicized public corruption trial in Tuscaloosa, Alabama. Context_2 : Steven L. Abrams (born 1958 in Des Moines, Iowa) is an American politician. He is the first mayor of Palm Beach County in the U.S. state of Florida. He previously served as chairman of the Palm Beach County Board of County Commissioners. He represents District 4 on the county commission. Abrams is the former mayor of the City of Boca Raton, Florida. A lawyer, he was elected mayor in March 2001 and re-elected in 2003 and 2005. He previously served as a city council member from 1989-1999. In March 2009, Abrams was appointed by Florida governor Charlie Crist to occupy the district four county commission seat vacated by Mary McCarty after her resignation due to federal corruption charges. He won election to a full term when no one filed to run against him in 2010. Abrams received his bachelor's degree from Harvard University in Government in 1980 and his law degree from The George Washington University in 1985. His past experience includes law clerk in the White House under President Ronald Reagan. He was a partner of the now defunct Rothstein Rosenfeldt Adler firm. Context_3 : John Henry "Jack" Kelley (born July 10, 1927 in Medford, Massachusetts) is a former American ice hockey coach. He is a member of the United States Hockey Hall of Fame. Kelley was the first general manager and head coach of the New England Whalers of the World Hockey Association (WHA). During the 1972-73 season, he won the Howard Baldwin Trophy as the WHA coach of the year, and also led the Whalers to the Avco World Trophy. He previously served as head coach at Boston University, leading the Terriers to back-to-back NCAA hockey championships in 1971 and 1972. In his 10 year coaching career at Boston U (196271), he compiled a .720 winning percentage and won six Beanpot Tournaments. Context_4 : Kevin Sheekey (born June 12, 1966) is an American businessman and political adviser. He is the Global Head of Communications, Government Relations and Marketing for Bloomberg L.P. He previously served as head of government relations and communications at Bloomberg L.P. and as chairman of Bloomberg Government. Sheekey also previously served as deputy mayor for government affairs for the City of New York under Mayor Michael R. Bloomberg. He is credited with managing Mayor Bloomberg's three successful campaigns for Mayor of New York. Context_5 : Nicholas Cheong Jin-Suk (born 7 December 1931) is a South Korean Cardinal of the Roman Catholic Church. He served as Archbishop of Seoul, from 1998 until retirement in 2012, having previously served as Bishop of Cheongju from 1970 to 1998, and was elevated to the cardinalate in 2006. Context_6 : The Commission Against Corruption (CCAC, Comissariado contra a Corrupcao in Portuguese) is an official entity of Macau responsible for the prevention, investigation and (probably) prosectution of corrupt activities. It was established in the Special Administrative Region in 1999 after China resumed sovereignty, pursuant to article 59 of its Basic Law and modelled after Hong Kong's Independent Commission Against Corruption. Context_7 : Christine Salmon (nee Fahringer, July 22, 1916 October 10, 1985) was an American architect and educator, originally from Pennsylvania. After teaching at Pennsylvania State University for a decade, she moved to Oklahoma in the late-1950s and taught at Oklahoma State University. She and her husband founded the architectural firm Salmon and Salmon, which focused primarily on housing and designs which accommodated people with disabilities. At the national level, she served on the National Housing Commission of the American Institute of Architects (AIA) from 1969 to 1985 and was a Fellow of the AIA. She was the first woman elected as mayor of Stillwater, Oklahoma and had previously served on the Stillwater City Commission. Salmon was inducted into the Oklahoma Women's Hall of Fame in its inaugural year, 1982. Context_8 : Simon McPhee (born 21 July 1969) is an Australian rules football coach, currently serving the Head of Player Academy and Development at the St Kilda Football Club in the Australian Football League (AFL). He previously served as coach of the Claremont Football Club in the West Australian Football League (WAFL), coaching the club to their 2011 premiership win, and had previously served as the head coach of Victorian Football League (VFL) club Sandringham. Context_9 : Cheong U (; born 1957) is the Secretary for Social Affairs and Culture of Macau. Previously he served as the head of Commission Against Corruption of Macau. Context_10 : Ken Miller (born October 15, 1941) is currently an offensive consultant for the Montreal Alouettes of the Canadian Football League. He previously served in the league as Head Coach and Vice President of Football Operations for the Saskatchewan Roughriders. He served as the Roughriders head coach between 2008 and 2010, leading the team to appearances in the Grey Cup in 2009 and 2010. Miller returned as head coach of the Roughriders on August 19, 2011 after the firing of Greg Marshall after a 17 start to the 2011 CFL season. Miller was the club's offensive coordinator under head coach Kent Austin when they captured the 95th Grey Cup in 2007. He had previously served on the coaching staffs of the Toronto Argonauts, University of Redlands, Dickinson State, and Yucaipa High School. fact_1 : Previously he served as the head of Commission Against Corruption of Macau. fact_2 : It was established in the Special Administrative Region in 1999 after China resumed sovereignty, pursuant to article 59 of its Basic Law and modelled after Hong Kong's Independent Commission Against Corruption. Question: Cheong U previously served as head of this commission, which was established in what year?
1999