Question: When was smoking banned in restaurants in the state where University Towers is located?

full_context: Document 1: Ann Arbor, Michigan: Ann Arbor's residential neighborhoods contain architectural styles ranging from classic 19th-century and early-20th-century designs to ranch-style houses. Among these homes are a number of kit houses built in the early 20th century. Contemporary-style houses are farther from the downtown district. Surrounding the University of Michigan campus are houses and apartment complexes occupied primarily by student renters. Tower Plaza, a 26-story condominium building located between the University of Michigan campus and downtown, is the tallest building in Ann Arbor. The 19th-century buildings and streetscape of the Old West Side neighborhood have been preserved virtually intact; in 1972, the district was listed on the National Register of Historic Places, and it is further protected by city ordinances and a nonprofit preservation group.
Document 2: The Orchard Residences: Located along the prime shopping district of Singapore on Orchard Road. The tower is the tallest building along the shopping district, and has 175 residential units from the ninth to the 54th floor, with four penthouse apartments. During the first phase of the sale, 98 units were sold for an average of S$3213 per sq ft.
Document 3: List of smoking bans in the United States: New York City, From May 18, 2014 everyone under the age of 21 was banned from buying cigarettes, tobacco products and e-cigarettes. Effective May 23, 2011, smoking was banned in all parks, boardwalks, beaches, recreation centers, swimming pools and pedestrian plazas. On March 30, 2003, smoking was banned in all enclosed workplaces, including bars and restaurants; exempts tobacco bars, owner - operated bars, separately ventilated smoking rooms in bars, private clubs with no employees, private functions organized for the promotion and sampling of tobacco products, and retail tobacco shops. Shortly after, on July 24, 2003, the statewide smoking ban came into effect. New York City may suspend or revoke a business's license if it has been found guilty of violating this law three times within 12 months.
Document 4: Ann Arbor, Michigan: Ann Arbor was founded in 1824, named for wives of the village's founders and the stands of Bur Oak trees. The University of Michigan moved from Detroit to Ann Arbor in 1837, and the city grew at a rapid rate in the early to mid-20th century. During the 1960s and 1970s, the city gained a reputation as a center for left-wing politics. Ann Arbor became a focal point for political activism and served as a hub for the civil-rights movement and anti-Vietnam War movement, as well as various student movements.
Document 5: List of smoking bans in the United States: In 1995, California was the first state to enact a statewide smoking ban; throughout the early to mid-2000s, especially between 2004 and 2007, an increasing number of states enacted a statewide smoking ban of some kind. As of July 2017, the most recent statewide smoking ban is North Dakota's, which was ratified by voters on November 6, 2012.
Document 6: University Towers: University Towers is a tall residential apartment building in Ann Arbor, Michigan. It stands at 536 South Forest Avenue. The building was constructed in 1965 and stands at 19 floors, with 240 units/rooms. The high-rise also contains a fitness center.
Document 7: Ann Arbor, Michigan: Ann Arbor's "Tree Town" nickname stems from the dense forestation of its parks and residential areas. The city contains more than 50,000 trees along its streets and an equal number in parks. In recent years, the emerald ash borer has destroyed many of the city's approximately 10,500 ash trees. The city contains 157 municipal parks ranging from small neighborhood green spots to large recreation areas. Several large city parks and a university park border sections of the Huron River. Fuller Recreation Area, near the University Hospital complex, contains sports fields, pedestrian and bike paths, and swimming pools. The Nichols Arboretum, owned by the University of Michigan, is a 123-acre (50 ha) arboretum that contains hundreds of plant and tree species. It is on the city's east side, near the university's Central Campus. Located across the Huron River just beyond the university's North Campus is the university's Matthaei Botanical Gardens, which contains 300 acres of gardens and a large tropical conservatory.
Document 8: List of smoking bans in the United States: Statewide smoking ban: On May 1, 2010, after being signed into law by Governor Jennifer Granholm on December 18, 2009, the Dr. Ron Davis Law took effect, banning smoking statewide in all enclosed, indoor workplaces in Michigan, as well as the outdoor patios of bars and restaurants. The law exempts only cigar bars, retail tobacco stores, private home offices, company vehicles including commercial trucks, and Detroit's three casinos' gambling floors. The law is silent as to whether local governments may regulate smoking more strictly than the state, though it prohibits state or local health departments from enacting any smoking rules different than the law.
Document 9: List of smoking bans in the United States: No statewide smoking ban. Instead, Tennessee's 2007 statewide smoking law, the Non-Smoker Protection Act, prohibits smoking statewide in all public places in Tennessee, except as exempted; (1) any business, including a bar or restaurant, that does not serve persons under 21, (2) designated hotel / motel smoking rooms, (3) tobacco industry - related facilities, (4) outdoor areas and areas with an open garage door, (5) nursing homes, (6) designated smoking areas not accessible to the general public in businesses with three or fewer employees, (7) private clubs, (8) private residences and vehicles unless it is being used for child care, daycare, or public transportation of children, (9) retail tobacco stores, and (10) commercial vehicles occupied solely by the operator. Local governments are preempted from regulating smoking.
Document 10: List of smoking bans in the United States: Statewide smoking ban: On December 7, 2006, after passage by Ohio voters on November 7, 2006, Chapter 3794 (titled ``Smoking Ban '') of the Ohio Revised Code went into effect, banning smoking statewide in all enclosed workplaces in Ohio, including bars and restaurants. The law exempts (1) private residences except when being used as a business when employees other than the owner are present, (2) designated hotel / motel smoking rooms, (3) family - owned and operated businesses not open to the public where all employees are related to the owner, (4) designated smoking areas in nursing homes, (5) retail tobacco stores, (6) outdoor patios, (7) private clubs with no employees. The law is enforced by the Ohio Department of Health, which began enforcement on May 3, 2007. A business may be fined up to $2,500 and individuals $100 for violation of the ban. Local governments may regulate smoking more stringently than the state.
Document 11: Ann Arbor, Michigan: The Kerrytown Shops, Main Street Business District, the State Street Business District, and the South University Business District are commercial areas in downtown Ann Arbor. Three commercial areas south of downtown include the areas near I-94 and Ann Arbor-Saline Road, Briarwood Mall, and the South Industrial area. Other commercial areas include the Arborland/Washtenaw Avenue and Packard Road merchants on the east side, the Plymouth Road area in the northeast, and the Westgate/West Stadium areas on the west side. Downtown contains a mix of 19th- and early-20th-century structures and modern-style buildings, as well as a farmers' market in the Kerrytown district. The city's commercial districts are composed mostly of two- to four-story structures, although downtown and the area near Briarwood Mall contain a small number of high-rise buildings.
Document 12: Executive Plaza Building (Detroit): The Executive Plaza Building is a two-tower office building that was constructed between 1967 and 1975 in Detroit, Michigan, United States. The taller building stands 22 stories high on a lot bounded by Sixth Street, Howard, Abbott and the
Document 13: 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 14: List of smoking bans in the United States: Statewide smoking ban: Since January 1, 1995, smoking has been banned in all enclosed workplaces in California, including bars and restaurants (bars were excluded until January 1, 1998); these following areas were exempt until June 9, 2016: meeting and banquet rooms except while food or beverage functions are taking place (including set - up, service, and clean - up activities or when the room is being used for exhibit activities), retail or wholesale tobacco shops and private smokers lounges (i.e. cigar bars), truck cabs / tractors if no nonsmoking employees are present, theatrical production sites if smoking is an integral part of the story, medical research or treatment sites if smoking is integral to the research or treatment being conducted, private residences except homes licensed as family day care homes during the hours of operation and in those areas where children are present, and patient smoking areas in long - term health care facilities.
Document 15: List of smoking bans in the United States: Statewide smoking ban: On May 1, 2010, after being signed into law by Governor Jennifer Granholm on December 18, 2009, the Dr. Ron Davis Law took effect, banning smoking statewide in all enclosed, indoor workplaces in Michigan, as well as the outdoor patios of bars and restaurants. The law exempts only cigar bars, retail tobacco stores, private home offices, company vehicles including commercial trucks, and Detroit's three casinos' gambling floors. The law is silent as to whether local governments may regulate smoking more strictly than the state, though it prohibits state or local health departments from enacting any smoking rules different than the law. In December 2011, a judge dismissed fines against a Warren, Michigan bar owner who had claimed that his bar's Keno machines classified his establishment as a casino exempt from the ban.
ground_truth: May 1, 2010
sub_queries: Which state is University Towers located? Answer: Michigan
when was smoking banned in restaurants in Michigan Answer: May 1, 2010