Question: What is the acronym for the statewide criminal investigation agency in the state whose capitol was the setting for Season 11 of Property Brothers?

full_context: Document 1: The Next Step (2013 TV series): In February 24, 2012, Family Channel announced that it had ordered 26 half - hour episodes (including S1 and S1. 5), and a four episode season finale. Special content was also going to be available, including The Next Step Interactive. Filming began July 12, 2012 in Toronto, Ontario.
Document 2: Fixer Upper (TV series): Fixer Upper is an American reality television series airing on HGTV starring Joanna and Chip Gaines, based in Waco, Texas. The show's pilot aired in May 2013, with the full season 1 beginning in April 2014, season 2 began in January 2015, season 3 began in December 2015, and season 4 began in November 2016. Season 5 premiered on November 21, 2017 and will be the final season.
Document 3: Trailer Park Boys: Season 11 premiered on March 31, 2017. On June 19, 2017, the cast confirmed that the twelfth season had been greenlit and that filming had begun. The season premiered on Netflix on March 30, 2018.
Document 4: Tennessee: Local law enforcement is divided between County Sheriff's Offices and Municipal Police Departments. Tennessee's Constitution requires that each County have an elected Sheriff. In 94 of the 95 counties the Sheriff is the chief law enforcement officer in the county and has jurisdiction over the county as a whole. Each Sheriff's Office is responsible for warrant service, court security, jail operations and primary law enforcement in the unincorporated areas of a county as well as providing support to the municipal police departments. Incorporated municipalities are required to maintain a police department to provide police services within their corporate limits.
Document 5: Tennessee: The Highway Patrol is the primary law enforcement entity that concentrates on highway safety regulations and general non-wildlife state law enforcement and is under the jurisdiction of the Tennessee Department of Safety. The TWRA is an independent agency tasked with enforcing all wildlife, boating, and fisheries regulations outside of state parks. The TBI maintains state-of-the-art investigative facilities and is the primary state-level criminal investigative department. Tennessee State Park Rangers are responsible for all activities and law enforcement inside the Tennessee State Parks system.
Document 6: Metropolitan Life Insurance Company Tower: The Metropolitan Life Insurance Company Tower, colloquially known as the Met Life Tower, is a landmark skyscraper, built in 1909 and located on Madison Avenue near the intersection with East 23rd Street, across from Madison Square Park in Manhattan, New York City. Designed by the architectural firm of Napoleon LeBrun & Sons and Purdy and Henderson, Engineers, built by the Hedden Construction Company, the tower is modeled after the Campanile in Venice, Italy. The hotel located in the clock tower portion of the building has the address 5 Madison Avenue, while the office building covering the rest of the block, occupied primarily by Credit Suisse, is referred to as 1 Madison Avenue.
Document 7: Knoxville City-County Building: The Knoxville City-County Building is a building at 400 Main Street in Knoxville, Tennessee that houses the offices of the city government of Knoxville and the county government of Knox County, Tennessee. It also houses the Knox County Jail. The building stands ten stories, and contains of office space. At the time it was built it was said to be the largest office building in Tennessee.
Document 8: Law enforcement in the United States: Law enforcement operates primarily through governmental police agencies. There are 17,985 U.S. police agencies in the United States which include college campus police, sheriff departments, local police, and federal agencies. The law - enforcement purposes of these agencies are the investigation of suspected criminal activity, referral of the results of investigations to the courts, and the temporary detention of suspected criminals pending judicial action. Law enforcement agencies, to varying degrees at different levels of government and in different agencies, are also commonly charged with the responsibilities of deterring criminal activity and preventing the successful commission of crimes in progress. Other duties may include the service and enforcement of warrants, writs, and other orders of the courts.
Document 9: State police (United States): A general trend has been to bring all of these agencies under a state - level Department of Public Safety. Additionally, they may serve under different state departments, such as the Highway Patrol under the state Department of Transportation and the Marine patrol under the Department of Natural Resources. Twenty - three U.S. states use the term ``State Police. ''Forty - nine states have a State Police agency or its equivalent, with Hawaii being the only state without a so - designated statewide police agency.
Document 10: 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 11: Houston: Centered on Post Oak Boulevard and Westheimer Road, the Uptown District boomed during the 1970s and early 1980s when a collection of mid-rise office buildings, hotels, and retail developments appeared along Interstate 610 west. Uptown became one of the most prominent instances of an edge city. The tallest building in Uptown is the 64-floor, 901-foot (275 m)-tall, Philip Johnson and John Burgee designed landmark Williams Tower (known as the Transco Tower until 1999). At the time of construction, it was believed to be the world's tallest skyscraper outside of a central business district. The new 20-story Skanska building and BBVA Compass Plaza are the newest office buildings built in Uptown after 30 years. The Uptown District is also home to buildings designed by noted architects I. M. Pei, César Pelli, and Philip Johnson. In the late 1990s and early 2000s decade, there was a mini-boom of mid-rise and high-rise residential tower construction, with several over 30 stories tall. Since 2000 more than 30 high-rise buildings have gone up in Houston; all told, 72 high-rises tower over the city, which adds up to about 8,300 units. In 2002, Uptown had more than 23 million square feet (2,100,000 m²) of office space with 16 million square feet (1,500,000 m²) of Class A office space.
Document 12: List of Property Brothers episodes: Season HGTV Season Episodes Filming location Season premiere Season finale 13 Toronto January 4, 2011 (2011 - 01 - 04) March 29, 2011 (2011 - 03 - 29) 13 Toronto October 20, 2011 (2011 - 10 - 20) January 31, 2012 (2012 - 01 - 31) 13 Austin February 7, 2012 (2012 - 02 - 07) May 1, 2012 (2012 - 05 - 01) 13 Austin / Toronto September 4, 2012 (2012 - 09 - 04) February 4, 2013 (2013 - 02 - 04) 5 13 Vancouver February 17, 2013 (2013 - 02 - 17) August 22, 2013 (2013 - 08 - 22) 6 13 Atlanta January 12, 2014 (2014 - 01 - 12) Unknown 7 13 Toronto October 27, 2014 (2014 - 10 - 27) Unknown 5 8 13 Westchester County September 14, 2015 (2015 - 09 - 14) October 28, 2015 (2015 - 10 - 28) 9 13 Westchester County Unknown August 22, 2016 (2016 - 08 - 22) 6 10 13 Westchester County October 24, 2016 (2016 - 10 - 24) April 17, 2017 (2017 - 04 - 17) 11 13 Nashville April 24, 2017 (2017 - 04 - 24) February 26, 2018 (2018 - 02 - 26) 7 12 13 Nashville / Toronto March 5, 2018 (2018 - 03 - 05) ()
Document 13: Alaska: The Alaska State Troopers are Alaska's statewide police force. They have a long and storied history, but were not an official organization until 1941. Before the force was officially organized, law enforcement in Alaska was handled by various federal agencies. Larger towns usually have their own local police and some villages rely on "Public Safety Officers" who have police training but do not carry firearms. In much of the state, the troopers serve as the only police force available. In addition to enforcing traffic and criminal law, wildlife Troopers enforce hunting and fishing regulations. Due to the varied terrain and wide scope of the Troopers' duties, they employ a wide variety of land, air, and water patrol vehicles.
Document 14: William R. Snodgrass Tennessee Tower: The William R. Snodgrass Tennessee Tower (also known as the Tennessee Tower) is a skyscraper in downtown Nashville, Tennessee, that houses Tennessee government offices. The tower was built for the National Life and Accident Insurance Company and served as its National Life Center until the State of Tennessee acquired it on January 3, 1994. More than 1,000 state employees who had been assigned to numerous locations now work in the building.
Document 15: The Handmaid's Tale (TV series): Filming on the series took place in Toronto, Mississauga, Hamilton, and Cambridge, Ontario from September 2016 to February 2017. The first full trailer of the TV series was released by Hulu on YouTube on March 23, 2017. The series premiered on April 26, 2017.
ground_truth: TBI
sub_queries: where was season 11 of property brothers filmed Answer: Nashville
Nashville >> capital of Answer: Tennessee
What is the acronym for Tennessee 's statewide criminal investigation agency? Answer: TBI