Question: How many non-Hispanic whites lived in the city the author of Hallucinations worked in?

full_context: Document 1: Migraine (book): Migraine is the first book written by Oliver Sacks, a well-known neurologist and author with a practice in New York City. The book was written in 1967, mostly over a nine-day period, and first published in 1970. A revised and updated version was published in 1990. (In the 1990 revised edition, the last chapter "Migraine Aura and Hallucinatory Constants" was written in collaboration with Ralph M. Siegel.)
Document 2: New York City: The wider New York City metropolitan area, with over 20 million people, about 50% greater than the second-place Los Angeles metropolitan area in the United States, is also ethnically diverse. The New York region continues to be by far the leading metropolitan gateway for legal immigrants admitted into the United States, substantially exceeding the combined totals of Los Angeles and Miami, the next most popular gateway regions. It is home to the largest Jewish as well as Israeli communities outside Israel, with the Jewish population in the region numbering over 1.5 million in 2012 and including many diverse Jewish sects from around the Middle East and Eastern Europe. The metropolitan area is also home to 20% of the nation's Indian Americans and at least 20 Little India enclaves, as well as 15% of all Korean Americans and four Koreatowns; the largest Asian Indian population in the Western Hemisphere; the largest Russian American, Italian American, and African American populations; the largest Dominican American, Puerto Rican American, and South American and second-largest overall Hispanic population in the United States, numbering 4.8 million; and includes at least 6 established Chinatowns within New York City alone, with the urban agglomeration comprising a population of 779,269 overseas Chinese as of 2013 Census estimates, the largest outside of Asia.
Document 3: Seeing Voices: Seeing Voices: A Journey Into the World of the Deaf is a 1989 book by neurologist Oliver Sacks. The book covers a variety of topics in Deaf studies, including sign language, the neurology of deafness, the history of the treatment of Deaf Americans, and linguistic and social challenges facing the Deaf community. It also contains an eyewitness account of the March 1988 Deaf President Now student protest at Gallaudet University, the only liberal arts college for deaf and hard of hearing in the world. "Seeing Voices" was Sacks' fifth book.
Document 4: Demographics of New York City: White Americans make up 44.6% of New York City's population. According to the survey, there were 3,704,243 White Americans residing in New York City. White Americans of non-Hispanic origin make up 35.1% of the city's population. There are 2,918,976 non-Hispanic whites residing in the city. Much of New York City's European American population consists of individuals of Italian, Irish, German, Russian, Polish, English, and Greek ancestry.
Document 5: Samuel Shem: Samuel Shem is the pen-name of the American psychiatrist Stephen Joseph Bergman (born 1944). His main works are "The House of God" and "Mount Misery", both fictional but close-to-real first-hand descriptions of the training of doctors in the United States.
Document 6: Hallucinations (book): Hallucinations is a 2012 book written by the neurologist Oliver Sacks. In "Hallucinations", Sacks recounts stories of hallucinations and other mind-altering episodes of both his patients and himself and uses them in an attempt to elucidate certain features and structures of the brain including his own migraine headaches.
Document 7: The Bronx: According to the 2009 American Community Survey, White Americans of both Hispanic and non-Hispanic origin represented over one-fifth (22.9%) of the Bronx's population. However, non-Hispanic whites formed under one-eighth (12.1%) of the population, down from 34.4% in 1980. Out of all five boroughs, the Bronx has the lowest number and percentage of white residents. 320,640 whites called the Bronx home, of which 168,570 were non-Hispanic whites. The majority of the non-Hispanic European American population is of Italian and Irish descent. People of Italian descent numbered over 55,000 individuals and made up 3.9% of the population. People of Irish descent numbered over 43,500 individuals and made up 3.1% of the population. German Americans and Polish Americans made up 1.4% and 0.8% of the population respectively.
Document 8: The Mind's Eye (book): The Mind's Eye is a 2010 book by neurologist Oliver Sacks. The book contains case studies of people whose ability to navigate the world visually and communicate with others have been compromised, including the author's own experience with cancer of the eye and his lifelong inability to recognise faces.
Document 9: Awakenings: Awakenings is a 1990 American drama film based on Oliver Sacks' 1973 memoir of the same title. It tells the story of Malcolm Sayer, who, in 1969, discovers beneficial effects of the drug L-Dopa. He administers it to catatonic patients who survived the 1917–28 epidemic of encephalitis lethargica. Leonard Lowe and the rest of the patients are awakened after decades and have to deal with a new life in a new time. The film was nominated for three Academy Awards.
Document 10: A Man Without Words: A Man Without Words is a book by Susan Schaller, first published in 1991, with a foreword by author and neurologist Oliver Sacks. The book is a case study of a 27-year-old deaf man whom Schaller teaches to sign for the first time, challenging the Critical Period Hypothesis that humans cannot learn language after a certain age.
Document 11: The Man Who Mistook His Wife for a Hat: The Man Who Mistook His Wife for a Hat and Other Clinical Tales is a 1985 book by neurologist Oliver Sacks describing the case histories of some of his patients. Sacks chose the title of the book from the case study of one of his patients which he names "Dr. P" that has visual agnosia"," a neurological condition that leaves him unable to recognize even familiar faces and objects". Man Who Mistook His Wife for a Hat" became the basis of an opera of the same name by Michael Nyman, which premiered in 1986.
Document 12: Awakenings (book): Awakenings is a 1973 non-fiction book by Oliver Sacks. It recounts the life histories of those who had been victims of the 1920s encephalitis lethargica epidemic. Sacks chronicles his efforts in the late 1960s to help these patients at the Beth Abraham Hospital (now Beth Abraham Health Services) in the Bronx, New York. The treatment used the then-new drug L-DOPA.
Document 13: Philadelphia: Irish, Italians, Polish, Germans, English, and Greeks are the largest ethnic European groups in the city. Philadelphia has the second-largest Irish and Italian populations in the United States, after New York City. South Philadelphia remains one of the largest Italian neighborhoods in the country and is home to the Italian Market. The Pennsport neighborhood and Gray's Ferry section of South Philadelphia, home to many Mummer clubs, are well known as Irish neighborhoods. The Kensington section, Port Richmond, and Fishtown have historically been heavily Irish and Polish. Port Richmond is well known in particular as the center of the Polish immigrant and Polish-American community in Philadelphia, and it remains a common destination for Polish immigrants. Northeast Philadelphia, although known for its Irish and Irish-American population, is also home to a large Jewish and Russian population. Mount Airy in Northwest Philadelphia also contains a large Jewish community, while nearby Chestnut Hill is historically known as an Anglo-Saxon Protestant stronghold.
Document 14: Migraine: An early description consistent with migraines is contained in the Ebers papyrus, written around 1500 BCE in ancient Egypt. In 200 BCE, writings from the Hippocratic school of medicine described the visual aura that can precede the headache and a partial relief occurring through vomiting.A second-century description by Aretaeus of Cappadocia divided headaches into three types: cephalalgia, cephalea, and heterocrania. Galen of Pergamon used the term hemicrania (half-head), from which the word migraine was eventually derived. He also proposed that the pain arose from the meninges and blood vessels of the head. Migraines were first divided into the two now used types – migraine with aura (migraine ophthalmique) and migraine without aura (migraine vulgaire) in 1887 by Louis Hyacinthe Thomas, a French Librarian.
Document 15: New York City: New York City has the largest European and non-Hispanic white population of any American city. At 2.7 million in 2012, New York's non-Hispanic white population is larger than the non-Hispanic white populations of Los Angeles (1.1 million), Chicago (865,000), and Houston (550,000) combined. The European diaspora residing in the city is very diverse. According to 2012 Census estimates, there were roughly 560,000 Italian Americans, 385,000 Irish Americans, 253,000 German Americans, 223,000 Russian Americans, 201,000 Polish Americans, and 137,000 English Americans. Additionally, Greek and French Americans numbered 65,000 each, with those of Hungarian descent estimated at 60,000 people. Ukrainian and Scottish Americans numbered 55,000 and 35,000, respectively. People identifying ancestry from Spain numbered 30,838 total in 2010. People of Norwegian and Swedish descent both stood at about 20,000 each, while people of Czech, Lithuanian, Portuguese, Scotch-Irish, and Welsh descent all numbered between 12,000–14,000 people. Arab Americans number over 160,000 in New York City, with the highest concentration in Brooklyn. Central Asians, primarily Uzbek Americans, are a rapidly growing segment of the city's non-Hispanic white population, enumerating over 30,000, and including over half of all Central Asian immigrants to the United States, most settling in Queens or Brooklyn. Albanian Americans are most highly concentrated in the Bronx.
ground_truth: 2.7 million
sub_queries: Hallucinations >> author Answer: Oliver Sacks
Oliver Sacks >> work location Answer: New York City
How many non-Hispanic whites lived in New York City in 2012? Answer: 2.7 million