Question: What river flows through the city which employs Mick Cornett?

full_context: Document 1: Oklahoma City: Walking trails line Lake Hefner and Lake Overholser in the northwest part of the city and downtown at the canal and the Oklahoma River. The majority of the east shore area is taken up by parks and trails, including a new leashless dog park and the postwar-era Stars and Stripes Park. Lake Stanley Draper is the city's largest and most remote lake.
Document 2: John Tyler Hammons: John Tyler Hammons (born September 4, 1988) is an American politician who served as the 47th Mayor of Muskogee, Oklahoma from 2008 to 2012. He gained national attention when he was elected on May 13, 2008, as a 19-year-old freshman at the University of Oklahoma, after winning 70 percent of the vote in a runoff election against 70-year-old, three-time former Muskogee mayor Herschel McBride. Hammons was reelected on April 6, 2010, in a four-way race.
Document 3: 2018 Oklahoma gubernatorial election: Oklahoma gubernatorial election, 2018 ← 2014 November 6, 2018 2022 → Nominee Kevin Stitt Drew Edmondson Chris Powell Party Republican Democratic Libertarian Incumbent Governor Mary Fallin Republican
Document 4: Mexico City: Originally much of the valley laid beneath the waters of Lake Texcoco, a system of interconnected salt and freshwater lakes. The Aztecs built dikes to separate the fresh water used to raise crops in chinampas and to prevent recurrent floods. These dikes were destroyed during the siege of Tenochtitlan, and during colonial times the Spanish regularly drained the lake to prevent floods. Only a small section of the original lake remains, located outside the Federal District, in the municipality of Atenco, State of Mexico.
Document 5: Andy Coats: Andrew Montgomery "Andy" Coats (born January 19, 1935) is an American politician. A Democrat, he served as mayor of Oklahoma City, Oklahoma from 1983 to 1987. He attended the University of Oklahoma and is an attorney. From 1996 to 2010, he was the Dean of the University of Oklahoma College of Law. He is also a former president of the American College of Trial Lawyers. From 1976 to 1980, he was Oklahoma County District Attorney. In 1980, he unsuccessfully ran in the United States Senate election in Oklahoma, 1980 to replace Henry Bellmon. He was inducted into the Oklahoma Hall of Fame in 2005. His son, Sanford Coats has served as United States Attorney for the Western District of Oklahoma since 2009.
Document 6: Oklahoma City: Oklahoma City has a major park in each quadrant of the city, going back to the first parks masterplan. Will Rogers Park, Lincoln Park, Trosper Park, and Woodson Park were once connected by the Grand Boulevard loop, some sections of which no longer exist. Martin Park Nature Center is a natural habitat in far northwest Oklahoma City. Will Rogers Park is home to the Lycan Conservatory, the Rose Garden, and Butterfly Garden, all built in the WPA era. Oklahoma City is home to the American Banjo Museum, which houses a large collection of highly decorated banjos from the early 20th century and exhibits on the history of the banjo and its place in American history. Concerts and lectures are also held there.
Document 7: Dammam: Having been built from the ground up, the Dammam Area was designed from the outset on the principles of modern urban planning. Residential areas are separate from commercial sections, roads are broad and straight and buildings conform to a master plan. One of the main features of the development of the area is land reclamation. Vast stretches of the shallow Persian Gulf waters have been filled, with hotels and office buildings occupying what were once marshes. Water for household, urban and industrial use is provided by desalination plants that supply approximately seven million cubic feet of treated water to the area each day. The availability of water underpins the urban and industrial growth of the Dammam Area, and provisions have been made for expanding existing desalination facilities to meet future growth.
Document 8: 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 9: 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 10: Joe Rice: Rice presently works for Lockheed Martin Space Systems and also is a member of the United States Army Reserve. He was elected to the city council of Glendale, Colorado in 1994 and to the post of mayor in 1996 on a platform of developing a "resident-friendly" community in the Denver enclave. Rice was re-elected in 2000 and later resigned from the post of mayor in 2003 when called up to serve the first of five tours on active duty in Iraq. In Iraq, he has served as an advisor to the Baghdad city council and to Iraqi security forces.
Document 11: 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 12: Oklahoma City: The city is roughly bisected by the North Canadian River (recently renamed the Oklahoma River inside city limits). The North Canadian once had sufficient flow to flood every year, wreaking destruction on surrounding areas, including the central business district and the original Oklahoma City Zoo. In the 1940s, a dam was built on the river to manage the flood control and reduced its level. In the 1990s, as part of the citywide revitalization project known as MAPS, the city built a series of low-water dams, returning water to the portion of the river flowing near downtown. The city has three large lakes: Lake Hefner and Lake Overholser, in the northwestern quarter of the city; and the largest, Lake Stanley Draper, in the sparsely populated far southeast portion of the city.
Document 13: Lake Texcoco: Tenochtitlan was founded on an islet in the western part of the lake in the year 1325. Around it, the Aztecs created a large artificial island using a system similar to the creation of chinampas. To overcome the problems of drinking water, the Aztecs built a system of dams to separate the salty waters of the lake from the rain water of the effluents. It also permitted them to control the level of the lake. The city also had an inner system of channels that helped to control the water.
Document 14: Oklahoma City: In 1993, the city passed a massive redevelopment package known as the Metropolitan Area Projects (MAPS), intended to rebuild the city's core with civic projects to establish more activities and life to downtown. The city added a new baseball park; central library; renovations to the civic center, convention center and fairgrounds; and a water canal in the Bricktown entertainment district. Water taxis transport passengers within the district, adding color and activity along the canal. MAPS has become one of the most successful public-private partnerships undertaken in the U.S., exceeding $3 billion in private investment as of 2010. As a result of MAPS, the population living in downtown housing has exponentially increased, together with demand for additional residential and retail amenities, such as grocery, services, and shops.
Document 15: Palermo: Today both the Papireto river and the Kemonia are covered up by buildings. However, the shape of the former watercourses can still be recognised today, because the streets that were built on them follow their shapes. Today the only waterway not drained yet is the Oreto river that divides the downtown of the city from the western uptown and the industrial districts. In the basins there were, though, many seasonal torrents that helped formed swampy plains, reclaimed during history; a good example of which can be found in the borough of Mondello.
ground_truth: North Canadian River
sub_queries: Mick Cornett >> employer Answer: Oklahoma City
What river flows through Oklahoma City ? Answer: North Canadian River