Question: Who was in charge of the city where Nexcelle's headquarters are located?

full_context: Document 1: 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 2: Fluid Components International: Fluid Components International (FCI), headquartered in San Marcos, California, is a manufacturer of thermal dispersion flow and level measurement instrumentation. FCI has two divisions, one serving customers with measurement needs in industrial process and plant applications and an aerospace division, which produces level, temperature, flow and pressure sensors for aircraft manufacturers. FCI was a pioneer in developing thermal dispersion technology and holds numerous design and technology patents for its application in flow and level measurement.
Document 3: General Electric GEnx: The General Electric GEnx ("General Electric Next-generation") is an advanced dual rotor, axial flow, high-bypass turbofan jet engine in production by GE Aviation for the Boeing 787 and 747-8. The GEnx is intended to replace the CF6 in GE's product line.
Document 4: Nexcelle: Headquartered in Cincinnati, Ohio, Nexcelle has teamed with its parent companies to develop, produce and support integrated propulsion systems for jet engine applications on single-aisle jetliners and business aircraft.
Document 5: 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 6: Southampton: The city has a Mayor and is one of the 16 cities and towns in England and Wales to have a ceremonial sheriff who acts as a deputy for the Mayor. The current and 793rd Mayor of Southampton is Linda Norris. Catherine McEwing is the current and 578th sherriff. The town crier from 2004 until his death in 2014 was John Melody, who acted as master of ceremonies in the city and who possessed a cry of 104 decibels.
Document 7: Honda HA-420 HondaJet: The Honda HA-420 HondaJet is the first aircraft developed by the Honda Aircraft Company. It is a twin-engine, seven-seat light business jet, and is also considered as a very light jet. It was designed in Japan in the late 1990s then developed and manufactured in Greensboro, North Carolina, United States. Its first flight took place in 2003 and deliveries commenced in December 2015.
Document 8: Comair: Comair was a wholly owned subsidiary airline of Delta Air Lines, headquartered on the grounds of Cincinnati/Northern Kentucky International Airport in Boone County, Kentucky, United States, west of Erlanger, and south of Cincinnati. Operating under the brand name Delta Connection, Comair operated passenger services to destinations in the USA, Canada, Mexico and the Bahamas. Comair and Delta Air Lines announced on July 27, 2012, that Comair would cease operations on September 29, 2012.
Document 9: 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 10: 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 11: New York City Council: The head of the City Council is called the Speaker. The current Speaker is Corey Johnson, a Democrat. The Speaker sets the agenda and presides at meetings of the City Council. Proposed legislation is submitted through the Speaker's Office. There are 47 Democratic council members led by Majority Leader Jimmy Van Bramer. The three Republican council members are led by Minority Leader Steven Matteo. There is one vacancy.
Document 12: Tennessee: Major corporations with headquarters in Tennessee include FedEx, AutoZone and International Paper, all based in Memphis; Pilot Corporation and Regal Entertainment Group, based in Knoxville; Eastman Chemical Company, based in Kingsport; the North American headquarters of Nissan Motor Company, based in Franklin; Hospital Corporation of America and Caterpillar Financial, based in Nashville; and Unum, based in Chattanooga. Tennessee is also the location of the Volkswagen factory in Chattanooga, a $2 billion polysilicon production facility by Wacker Chemie in Bradley County, and a $1.2 billion polysilicon production facility by Hemlock Semiconductor in Clarksville.
Document 13: Houston: The city of Houston has a strong mayoral form of municipal government. Houston is a home rule city and all municipal elections in the state of Texas are nonpartisan. The City's elected officials are the mayor, city controller and 16 members of the Houston City Council. The current mayor of Houston is Sylvester Turner, a Democrat elected on a nonpartisan ballot. Houston's mayor serves as the city's chief administrator, executive officer, and official representative, and is responsible for the general management of the city and for seeing that all laws and ordinances are enforced.
Document 14: 2017 Cincinnati mayoral election: The 2017 Cincinnati mayoral election took place on November 7, 2017, to elect the Mayor of Cincinnati, Ohio. The election was officially nonpartisan, with the top two candidates from the May 2 primary election advancing to the general election, regardless of party. Incumbent Democratic Mayor John Cranley won re-election to a second term.
Document 15: Cincinnati Milling Machine Company: The Cincinnati Milling Machine Company was an American machine tool builder headquartered in Cincinnati, Ohio. Incorporated in 1889, the company was formed for the purpose of building and promoting innovative new machine tool designs, especially milling machines. The principals in forming the company were Frederick A. Geier and Fred Holz. It was formed from the Cincinnati Screw and Tap Co. A partnership of George Mueller and Fred Holz that became more successful building machine tools,
ground_truth: John Cranley
sub_queries: Nexcelle >> headquarters location Answer: Cincinnati
Who was in charge of Cincinnati ? Answer: John Cranley