Question: Who is the mayor of the city where Griffin Communications is headquartered?

full_context: Document 1: Philadelphia: The city uses the strong-mayor version of the mayor-council form of government, which is headed by one mayor, in whom executive authority is vested. Elected at-large, the mayor is limited to two consecutive four-year terms under the city's home rule charter, but can run for the position again after an intervening term. The Mayor is Jim Kenney, who replaced Michael Nutter, who served two terms from 2009 to January 2016. Kenney, as all Philadelphia mayors have been since 1952, is a member of the Democratic Party, which tends to dominate local politics so thoroughly that the Democratic Mayoral primary is often more widely covered than the general election. The legislative branch, the Philadelphia City Council, consists of ten council members representing individual districts and seven members elected at large. Democrats currently hold 14 seats, with Republicans representing two allotted at-large seats for the minority party, as well as the Northeast-based Tenth District. The current council president is Darrell Clarke.
Document 2: Oklahoma: The state is divided into 77 counties that govern locally, each headed by a three-member council of elected commissioners, a tax assessor, clerk, court clerk, treasurer, and sheriff. While each municipality operates as a separate and independent local government with executive, legislative and judicial power, county governments maintain jurisdiction over both incorporated cities and non-incorporated areas within their boundaries, but have executive power but no legislative or judicial power. Both county and municipal governments collect taxes, employ a separate police force, hold elections, and operate emergency response services within their jurisdiction. Other local government units include school districts, technology center districts, community college districts, rural fire departments, rural water districts, and other special use districts.
Document 3: Oklahoma City: The City of Oklahoma City has operated under a council-manager form of city government since 1927. Mick Cornett serves as Mayor, having first been elected in 2004, and re-elected in 2006, 2010, and 2014. Eight councilpersons represent each of the eight wards of Oklahoma City. City Manager Jim Couch was appointed in late 2000. Couch previously served as assistant city manager, Metropolitan Area Projects Plan (MAPS) director and utilities director prior to his service as city manager.
Document 4: Griffin Music: Griffin Music was an independent record label created in 1989 in Toronto, Ontario, Canada by author/publisher Robert Godwin. It was originally created to record and finance the second album of Led Zeppelin tribute act, Michael White & The White. During late 1989 and 1990, Godwin worked with Michael White and his band recording the album in studios such as Sunset Sound and United Western Recorders in Los Angeles and Metalworks Studios in Toronto.
Document 5: Auckland: In October 2010, Manukau City mayor Len Brown was elected mayor of the amalgamated Auckland Council. He was re-elected for a second term in October 2013. Brown did not stand for re-election in the 2016 mayoral election, and was succeeded by successful candidate Phil Goff in October 2016. Twenty councillors make up the remainder of the Auckland Council governing body, elected from thirteen electoral wards.
Document 6: Tampere: In 2007, Tampere switched to a new model of government. Since then, a mayor and four deputy mayors have been chosen for a period of two years by the city council. The mayor also becomes the seat of the city council for the duration of the tenure.
Document 7: Mick Cornett: Michael Earl Cornett Sr. (born July 16, 1958) is an American politician and former television personality who served as the 35th mayor of Oklahoma City, from 2005 until 2018. A member of the Republican Party, he was only the fourth mayor in Oklahoma City history to be elected to three terms and the first to be elected to four terms. He also served as President of the United States Conference of Mayors and as national President of the Republican Mayors and Local Officials (RMLO). He also served as Chairman of the U.S. Conference of Mayors Urban Economic Affairs Committee until 2007. In 2018, he was defeated in the Republican runoff by Tulsa businessman Kevin Stitt for GOP nomination for Governor of Oklahoma. In 2006, Cornett was defeated by Mary Fallin for the Republican runoff for U.S. Congress.
Document 8: Oklahoma City: The major U.S. broadcast television networks have affiliates in the Oklahoma City market (ranked 41st for television by Nielsen and 48th for radio by Arbitron, covering a 34-county area serving the central, northern-central and west-central sections Oklahoma); including NBC affiliate KFOR-TV (channel 4), ABC affiliate KOCO-TV (channel 5), CBS affiliate KWTV-DT (channel 9, the flagship of locally based Griffin Communications), PBS station KETA-TV (channel 13, the flagship of the state-run OETA member network), Fox affiliate KOKH-TV (channel 25), CW affiliate KOCB (channel 34), independent station KAUT-TV (channel 43), MyNetworkTV affiliate KSBI-TV (channel 52), and Ion Television owned-and-operated station KOPX-TV (channel 62). The market is also home to several religious stations including TBN owned-and-operated station KTBO-TV (channel 14) and Norman-based Daystar owned-and-operated station KOCM (channel 46).
Document 9: Oklahoma City: Oklahoma City was home to several pioneers in radio and television broadcasting. Oklahoma City's WKY Radio was the first radio station transmitting west of the Mississippi River and the third radio station in the United States. WKY received its federal license in 1921 and has continually broadcast under the same call letters since 1922. In 1928, WKY was purchased by E.K. Gaylord's Oklahoma Publishing Company and affiliated with the NBC Red Network; in 1949, WKY-TV (channel 4) went on the air and later became the first independently owned television station in the U.S. to broadcast in color. In mid-2002, WKY radio was purchased outright by Citadel Broadcasting, who was bought out by Cumulus Broadcasting in 2011. The Gaylord family earlier sold WKY-TV in 1976, which has gone through a succession of owners (what is now KFOR-TV is currently owned by Tribune Broadcasting as of December 2013).
Document 10: Cincinnati: The present Mayor of Cincinnati is John Cranley. The nine-member city council is composed of Vice Mayor Christopher Smitherman and Councilmembers Tamaya Dennard (President Pro-Tem), David Mann, Amy Murray, Chris Seelbach, P.G. Sittenfeld, Greg Landsman, Jeff Pastor, and Wendell Young. The city manager is Harry Black, and the manager maintains two assistant city managers.
Document 11: Aunt Jemima: Aunt Jemima is a brand of pancake mix, syrup, and other breakfast foods owned by the Quaker Oats Company of Chicago, a subsidiary of PepsiCo. The trademark dates to 1893, although Aunt Jemima pancake mix debuted in 1889. The Quaker Oats Company first registered the Aunt Jemima trademark in April 1937. Aunt Jemima originally came from a minstrel show as one of their pantheon of stereotypical Black characters. The character appears to have been a Reconstruction era addition to that cast.
Document 12: Ann Arbor, Michigan: Ann Arbor has a council-manager form of government. The City Council has 11 voting members: the mayor and 10 city council members. The mayor and city council members serve two-year terms: the mayor is elected every even-numbered year, while half of the city council members are up for election annually (five in even-numbered and five in odd-numbered years). Two council members are elected from each of the city's five wards. The mayor is elected citywide. The mayor is the presiding officer of the City Council and has the power to appoint all Council committee members as well as board and commission members, with the approval of the City Council. The current mayor of Ann Arbor is Christopher Taylor, a Democrat who was elected as mayor in 2014. Day-to-day city operations are managed by a city administrator chosen by the city council.
Document 13: Griffin Communications: Griffin Communications is a media company based in Oklahoma City, Oklahoma. The company began as a subsidiary of successful Muskogee-based Griffin Foods, which features a popular line of pancake and waffle syrups and other foods.
Document 14: Wayne Farms: Formerly operating under Allied Mills, the Poultry Division of ContiGroup Companies, Wayne Farms LLC is the sixth largest vertically integrated producer and processor of poultry in the United States. Since its spin-off in 1965, Wayne Farms has grown its processing capacity to 250 million chickens annually. As a subsidiary of ContiGroup, Wayne Farms operates hatcheries, feed mills, finishing farms, and processing facilities to supply poultry to retail and foodservice customers worldwide. Its 13 processing facilities span the southeast region of the United States with its corporate headquarters located in Oakwood, Georgia.
Document 15: Oklahoma: According to Forbes magazine, Oklahoma City-based Devon Energy Corporation, Chesapeake Energy Corporation, and SandRidge Energy Corporation are the largest private oil-related companies in the nation, and all of Oklahoma's Fortune 500 companies are energy-related. Tulsa's ONEOK and Williams Companies are the state's largest and second-largest companies respectively, also ranking as the nation's second and third-largest companies in the field of energy, according to Fortune magazine. The magazine also placed Devon Energy as the second-largest company in the mining and crude oil-producing industry in the nation, while Chesapeake Energy ranks seventh respectively in that sector and Oklahoma Gas & Electric ranks as the 25th-largest gas and electric utility company.
ground_truth: Mick Cornett
sub_queries: Griffin Communications >> headquarters location Answer: Oklahoma City
Who is the mayor of Oklahoma City ? Answer: Mick Cornett