Question: Which national park in Tennessee is the most visited in the country with the headquarters of the organization the IPCC is part of?

full_context: Document 1: Intergovernmental Panel on Climate Change: In February 2010, in response to controversies regarding claims in the Fourth Assessment Report, five climate scientists – all contributing or lead IPCC report authors – wrote in the journal Nature calling for changes to the IPCC. They suggested a range of new organizational options, from tightening the selection of lead authors and contributors, to dumping it in favor of a small permanent body, or even turning the whole climate science assessment process into a moderated "living" Wikipedia-IPCC. Other recommendations included that the panel employ a full-time staff and remove government oversight from its processes to avoid political interference.
Document 2: Intergovernmental Panel on Climate Change: The Intergovernmental Panel on Climate Change (IPCC) is a scientific intergovernmental body under the auspices of the United Nations, set up at the request of member governments. It was first established in 1988 by two United Nations organizations, the World Meteorological Organization (WMO) and the United Nations Environment Programme (UNEP), and later endorsed by the United Nations General Assembly through Resolution 43/53. Membership of the IPCC is open to all members of the WMO and UNEP. The IPCC produces reports that support the United Nations Framework Convention on Climate Change (UNFCCC), which is the main international treaty on climate change. The ultimate objective of the UNFCCC is to "stabilize greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic [i.e., human-induced] interference with the climate system". IPCC reports cover "the scientific, technical and socio-economic information relevant to understanding the scientific basis of risk of human-induced climate change, its potential impacts and options for adaptation and mitigation."
Document 3: Headquarters of the United Nations: The site of the UN headquarters has extraterritoriality status. This affects some law enforcement where UN rules override the laws of New York City, but it does not give immunity to those who commit crimes there. In addition, the United Nations Headquarters remains under the jurisdiction and laws of the United States, although a few members of the UN staff have diplomatic immunity and so can not be prosecuted by local courts unless the diplomatic immunity is waived by the Secretary - General. In 2005, Secretary - General Kofi Annan waived the immunity of Benon Sevan, Aleksandr Yakovlev, and Vladimir Kuznetsov in relation to the Oil - for - Food Programme, and all were charged in the United States District Court for the Southern District of New York. Benon Sevan later fled the United States to Cyprus, while Aleksandr Yakovlev and Vladimir Kuznetsov decided to stand trial.
Document 4: Tennessee: Tourism contributes billions of dollars each year to the state's economy and Tennessee is ranked among the Top 10 destinations in the US. In 2014 a record 100 million people visited the state resulting in $17.7 billion in tourism related spending within the state, an increase of 6.3% over 2013; tax revenue from tourism equaled $1.5 billion. Each county in Tennessee saw at least $1 million from tourism while 19 counties received at least $100 million (Davidson, Shelby, and Sevier counties were the top three). Tourism-generated jobs for the state reached 152,900, a 2.8% increase. International travelers to Tennessee accounted for $533 million in spending.
Document 5: Tennessee: Tennessee's major industries include agriculture, manufacturing, and tourism. Poultry, soybeans, and cattle are the state's primary agricultural products, and major manufacturing exports include chemicals, transportation equipment, and electrical equipment. The Great Smoky Mountains National Park, the nation's most visited national park, is headquartered in the eastern part of the state, and a section of the Appalachian Trail roughly follows the Tennessee-North Carolina border. Other major tourist attractions include the Tennessee Aquarium in Chattanooga; Dollywood in Pigeon Forge; the Parthenon, the Country Music Hall of Fame and Museum, and Ryman Auditorium in Nashville; the Jack Daniel's Distillery in Lynchburg; and Elvis Presley's Graceland residence and tomb, the Memphis Zoo, and the National Civil Rights Museum in Memphis.
Document 6: Headquarters of the United Nations: The United Nations is headquartered in New York City, in a complex designed by Brazilian architect Oscar Niemeyer and built by the architectural firm Harrison & Abramovitz. The complex has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on 17 to 18 acres (6.9 to 7.3 ha) of grounds overlooking the East River. Its borders are First Avenue on the west, East 42nd Street to the south, East 48th Street on the north and the East River to the east. The term ``Turtle Bay ''is occasionally used as a metonym for the UN headquarters or for the United Nations as a whole.
Document 7: United Nations: The UN has six principal organs: the General Assembly (the main deliberative assembly); the Security Council (for deciding certain resolutions for peace and security); the Economic and Social Council (ECOSOC; for promoting international economic and social co-operation and development); the Secretariat (for providing studies, information, and facilities needed by the UN); the International Court of Justice (the primary judicial organ); and the UN Trusteeship Council (inactive since 1994). UN System agencies include the World Bank Group, the World Health Organization, the World Food Programme, UNESCO, and UNICEF. The UN's most prominent officer is the Secretary - General, an office held by Portuguese politician and diplomat António Guterres since 2017. Non-governmental organizations may be granted consultative status with ECOSOC and other agencies to participate in the UN's work.
Document 8: Intergovernmental Panel on Climate Change: The IPCC receives funding through the IPCC Trust Fund, established in 1989 by the United Nations Environment Programme (UNEP) and the World Meteorological Organization (WMO), Costs of the Secretary and of housing the secretariat are provided by the WMO, while UNEP meets the cost of the Depute Secretary. Annual cash contributions to the Trust Fund are made by the WMO, by UNEP, and by IPCC Members; the scale of payments is determined by the IPCC Panel, which is also responsible for considering and adopting by consensus the annual budget. The organisation is required to comply with the Financial Regulations and Rules of the WMO.
Document 9: Tennessee: East Tennessee has several important transportation links with Middle and West Tennessee, as well as the rest of the nation and the world, including several major airports and interstates. Knoxville's McGhee Tyson Airport (TYS) and Chattanooga's Chattanooga Metropolitan Airport (CHA), as well as the Tri-Cities' Tri-Cities Regional Airport (TRI), provide air service to numerous destinations. I-24, I-81, I-40, I-75, and I-26 along with numerous state highways and other important roads, traverse the Grand Division and connect Chattanooga, Knoxville, and the Tri-Cities, along with other cities and towns such as Cleveland, Athens, and Sevierville.
Document 10: Tennessee: Tennessee (i/tɛnᵻˈsiː/) (Cherokee: ᏔᎾᏏ, Tanasi) is a state located in the southeastern United States. Tennessee is the 36th largest and the 17th most populous of the 50 United States. Tennessee is bordered by Kentucky and Virginia to the north, North Carolina to the east, Georgia, Alabama, and Mississippi to the south, and Arkansas and Missouri to the west. The Appalachian Mountains dominate the eastern part of the state, and the Mississippi River forms the state's western border. Tennessee's capital and second largest city is Nashville, which has a population of 601,222. Memphis is the state's largest city, with a population of 653,450.
Document 11: 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 12: List of United Nations organizations by location: While the Secretariat of the United Nations is headquartered in New York City, its many bodies, specialized agencies and related organizations are situated in other parts of the world, particularly in Europe.
Document 13: United Nations Environment Programme: The United Nations Environment Programme (UNEP), a programme of the United Nations, coordinates the organization's environmental activities and assists developing countries in implementing environmentally sound policies and practices. It was founded by Maurice Strong, its first director, as a result of the United Nations Conference on the Human Environment (Stockholm Conference) in June 1972 and has overall responsibility for environmental problems among United Nations agencies; however, international talks on specialized issues, such as addressing climate change or combating desertification, are overseen by other UN organizations, like the Bonn-based Secretariat of the United Nations Framework Convention on Climate Change and the United Nations Convention to Combat Desertification. UNEP's activities cover a wide range of issues regarding the atmosphere, marine and terrestrial ecosystems, environmental governance and green economy. It has played a significant role in developing international environmental conventions, promoting environmental science and information and illustrating the way those can be implemented in conjunction with policy, working on the development and implementation of policy with national governments, regional institutions in conjunction with environmental non-governmental organizations (NGOs). UNEP has also been active in funding and implementing environment related development projects.
Document 14: Intergovernmental Panel on Climate Change: In addition to climate assessment reports, the IPCC is publishing Special Reports on specific topics. The preparation and approval process for all IPCC Special Reports follows the same procedures as for IPCC Assessment Reports. In the year 2011 two IPCC Special Report were finalized, the Special Report on Renewable Energy Sources and Climate Change Mitigation (SRREN) and the Special Report on Managing Risks of Extreme Events and Disasters to Advance Climate Change Adaptation (SREX). Both Special Reports were requested by governments.
Document 15: Headquarters of the United Nations: The United Nations is headquartered in New York City, in a complex designed by Brazilian architect Oscar Niemeyer. The complex has served as the official headquarters of the United Nations since its completion in 1952. It is located in the Turtle Bay neighborhood of Manhattan, on spacious grounds overlooking the East River. Its borders are First Avenue on the west, East 42nd Street to the south, East 48th Street on the north and the East River to the east. The term ``Turtle Bay ''is occasionally used as a metonym for the UN headquarters or for the United Nations as a whole.
ground_truth: Great Smoky Mountains National Park
sub_queries: What organization is the IPCC a part of? Answer: the United Nations
the country where the headquarters of the United Nations is located Answer: the United States
Which national park in Tennessee sees more visitors that any other in the United States ? Answer: Great Smoky Mountains National Park