Question: What insurance company is located in the downtown section of the city where the author of The Marriage Plot was born?

full_context: Document 1: Ann Arbor, Michigan: Websites and online media companies in or near the city include All Media Guide, the Weather Underground, and Zattoo. Ann Arbor is the home to Internet2 and the Merit Network, a not-for-profit research and education computer network. Both are located in the South State Commons 2 building on South State Street, which once housed the Michigan Information Technology Center Foundation. The city is also home to the headquarters of Google's AdWords program—the company's primary revenue stream. The recent surge in companies operating in Ann Arbor has led to a decrease in its office and flex space vacancy rates. As of 31 December 2012, the total market vacancy rate for office and flex space is 11.80%, a 1.40% decrease in vacancy from one year previous, and the lowest overall vacancy level since 2003. The office vacancy rate decreased to 10.65% in 2012 from 12.08% in 2011, while the flex vacancy rate decreased slightly more, with a drop from 16.50% to 15.02%.
Document 2: Aspects of the Novel: Aspects of the Novel is a book compiled from a series of lectures delivered by E. M. Forster at Trinity College, Cambridge in 1927, in which he discussed the English language novel. By using examples from classic texts, he highlights the seven universal aspects of the novel: story, characters, plot, fantasy, prophecy, pattern, and rhythm.
Document 3: Detroit: Thousands more employees work in Midtown, north of the central business district. Midtown's anchors are the city's largest single employer Detroit Medical Center, Wayne State University, and the Henry Ford Health System in New Center. Midtown is also home to watchmaker Shinola and an array of small and/or startup companies. New Center bases TechTown, a research and business incubator hub that’s part of the WSU system. Like downtown and Corktown, Midtown also has a fast-growing retailing and restaurant scene.
Document 4: The Marriage Plot: The Marriage Plot is a 2011 novel by American writer Jeffrey Eugenides. The novel grew out of a manuscript begun by Eugenides after the publication of his novel "Middlesex" and portions are loosely based on his collegiate and post-collegiate experiences. Most of all, as its clever title announces, The Marriage Plot is both a realist story about marriage and a postmodern, metafictional commentary on the kind of story it tells.
Document 5: Goodbye, Columbus: In addition to the title novella, set in New Jersey, "Goodbye, Columbus" contains the five short stories "The Conversion of the Jews", "Defender of the Faith", "Epstein", "You Can't Tell a Man by the Song He Sings", and "Eli, the Fanatic". Each story deals with the concerns of second and third-generation assimilated American Jews as they leave the ethnic ghettos of their parents and grandparents and go on to college, to white-collar professions, and to life in the suburbs.
Document 6: The Perks of Being a Wallflower: The Perks of Being a Wallflower is a coming - of - age epistolary novel by American writer Stephen Chbosky which was first published on February 1, 1999, by Pocket Books. Set in the early 1990s, the novel follows Charlie, an introverted teenager, through his freshman year of high school in a Pittsburgh suburb. The novel details Charlie's unconventional style of thinking as he navigates between the worlds of adolescence and adulthood, and attempts to deal with poignant questions spurred by his interactions with both his friends and family.
Document 7: The Catcher in the Rye: Holden Caulfield, a teenager from New York City, is living in an unspecified institution in southern California near Hollywood in 1951. Caulfield intends to live with his brother D.B, an author who Holden resents for becoming a screenwriter, after his release in one month. As he waits, Holden recalls the events of the previous Christmas.
Document 8: The Outsiders (novel): The Outsiders is a coming - of - age novel by S.E. Hinton, first published in 1967 by Viking Press. Hinton was 15 when she started writing the novel, but did most of the work when she was 16 and a junior in high school. Hinton was 18 when the book was published. The book follows two rival groups, the Greasers and the Socs (pronounced by the author as / ˈsoʊʃɪz /, short for Socials), who are divided by their socioeconomic status. The story is told in first - person narrative by protagonist Ponyboy Curtis.
Document 9: The Virgin Suicides (film): Based on the 1993 best selling debut novel of the same name by American author Jeffrey Eugenides, the film tells of the lives of five teenage sisters in a middle-class suburb of Detroit during the late 1970s. After the youngest sister makes an initial attempt at suicide, her sisters are put under close scrutiny by their parents, eventually being confined to the home, which leads to their increasingly depressive and isolated behavior. Like the novel, the film is told from the perspective of a group of adolescent boys in the neighborhood who are fascinated by the girls.
Document 10: The Perks of Being a Wallflower: Since he wrote The Perks of Being a Wallflower, Chbosky aspired to adapt it into a film, calling this ``a lifelong dream of mine ''. After the publication of the novel, the author said he received film offers, refusing them because he`` owed the fans a movie that was worthy of their love for the book''. In 2010 Mr. Mudd began developing a film version, and the author was signed to write and direct the film by producers John Malkovich, Lianne Halfon and Russell Smith. The film, shot in the Pittsburgh area from May 9 to June 29, 2011, starred Logan Lerman as Charlie, Emma Watson as Sam, Ezra Miller as Patrick, and Nina Dobrev as Charlie's sister, Candace.
Document 11: Detroit: As mayor, Young sought to revive the city by seeking to increase investment in the city's declining downtown. The Renaissance Center, a mixed-use office and retail complex, opened in 1977. This group of skyscrapers was an attempt to keep businesses in downtown. Young also gave city support to other large developments to attract middle and upper-class residents back to the city. Despite the Renaissance Center and other projects, the downtown area continued to lose businesses to the suburbs. Major stores and hotels closed and many large office buildings went vacant. Young was criticized for being too focused on downtown development and not doing enough to lower the city's high crime rate and improve city services.
Document 12: The Perks of Being a Wallflower: The Perks of Being a Wallflower is a coming - of - age epistolary novel by American writer Stephen Chbosky, which was first published on February 1, 1999, by Pocket Books. Set in the early 1990s, the novel follows Charlie, an introverted teenager, through his freshman year of high school in a Pittsburgh suburb. The novel details Charlie's unconventional style of thinking as he navigates between the worlds of adolescence and adulthood, and attempts to deal with poignant questions spurred by his interactions with both his friends and family.
Document 13: All the Bright Places: Theodore Finch and Violet Markey are two teenagers who want to escape from their small Indiana town. Violet is a popular girl who's secretly dealing with survivor's remorse, and Finch is a boy obsessed with death, labelled a freak by other students. Fate brought the two together when both climbed the bell tower at school at the same time, planning to jump off the ledge. Finch is surprised that Violet is up there, because she's a popular school cheerleader. But Violet has been dealing with the death of her sister, Eleanor, for which she feels responsible. Eleanor died in a car accident, and Violet has n't been in a car since. She quit the student council, then cheerleading, and now cares about absolutely nothing. On the ledge, Finch talks Violet down, and Violet returns the favor.
Document 14: Detroit: Despite the city's recent financial issues, many developers remain unfazed by Detroit's problems. Midtown is one of the most successful areas within Detroit to have a residential occupancy rate of 96%. Numerous developments have been recently completely or are in various stages of construction. These include the $82 million reconstruction of downtown's David Whitney Building (now an Aloft Hotel and luxury residences), the Woodward Garden Block Development in Midtown, the residential conversion of the David Broderick Tower in downtown, the rehabilitation of the Book Cadillac Hotel (now a Westin and luxury condos) and Fort Shelby Hotel (now Doubletree) also in downtown, and various smaller projects.
Document 15: Detroit: A number of the city's downtown employers are relatively new, as there has been a marked trend of companies moving from satellite suburbs around Metropolitan Detroit into the downtown core.[citation needed] Compuware completed its world headquarters in downtown in 2003. OnStar, Blue Cross Blue Shield, and HP Enterprise Services are located at the Renaissance Center. PricewaterhouseCoopers Plaza offices are adjacent to Ford Field, and Ernst & Young completed its office building at One Kennedy Square in 2006. Perhaps most prominently, in 2010, Quicken Loans, one of the largest mortgage lenders, relocated its world headquarters and 4,000 employees to downtown Detroit, consolidating its suburban offices. In July 2012, the U.S. Patent and Trademark Office opened its Elijah J. McCoy Satellite Office in the Rivertown/Warehouse District as its first location outside Washington, D.C.'s metropolitan area.
ground_truth: Blue Cross Blue Shield
sub_queries: The Marriage Plot >> author Answer: Jeffrey Eugenides
Jeffrey Eugenides >> place of birth Answer: Detroit
What insurance company is located in downtown Detroit ? Answer: Blue Cross Blue Shield