Question: By 1900, what was the population of the state where Christina Yang goes in Season 9?

full_context: Document 1: Minnesota: From fewer than 6,120 white settlers in 1850, Minnesota's official population grew to over 1.7 million by 1900. Each of the next six decades saw a 15 percent increase in population, reaching 3.4 million in 1960. Growth then slowed, rising 11 percent to 3.8 million in 1970, and an average of 9 percent over the next three decades to 4.9 million in the 2000 Census.The United States Census Bureau estimates the population of Minnesota was 5,611,179 on July 1, 2018, a 5.79 percent increase since the 2010 United States Census.  The rate of population change, and age and gender distributions, approximate the national average. Minnesota's center of population is in Hennepin County.As of the 2010 Census, the population of Minnesota was 5,303,925. The gender makeup of the state was 49.6% male and 50.4% female. 24.2% of the population were under the age of 18; 9.5% were between the ages of 18 and 24; 26.3% were from 25 to 44; 27.1% were from 45 to 64; and 12.9% were 65 years of age or older.The table below shows the racial composition of Minnesota's population as of 2017.
Document 2: Lexie Grey: The character's focal storyline involved a romantic relationship with plastic surgeon Mark Sloan (Eric Dane). She sustained life - threatening injuries after an aviation accident, in the eighth - season finale, which ultimately ended in her death. The character's death resulted in mixed critical feedback and the reason given for the departure was Leigh's desire to spend more time with her family. Rhimes has characterized Lexie as being a dork, as well as having issues with saying how she feels. Leigh has been moderately well received by critics, and was among the cast to receive a Screen Actors Guild Award nomination for Outstanding Performance by an Ensemble in a Drama Series in 2007.
Document 3: Mark Sloan (Grey's Anatomy): Mark Everett Sloan, M.D., F.A.C.S. is a fictional character from ABC's medical drama television series Grey's Anatomy, portrayed by Eric Dane. Created by series producer Shonda Rhimes, the character was introduced in season two as Dr. Derek Shepherd's best friend who acted as the catalyst for the end of Shepherd's marriage when Shepherd caught Sloan sleeping with his wife, Dr. Addison Montgomery. Soon after moving to Seattle Grace Hospital as an attending specializing in plastic surgery to reconcile with Derek, Mark earned the nickname ``McSteamy ''for his good looks by the female interns. Mark's focal storyline in the series involved his romantic relationship with Dr. Lexie Grey. Both he and Lexie sustained life - threatening injuries after an aviation accident in the eighth season finale, which resulted in their deaths. Seattle Grace is later renamed Grey - Sloan Memorial Hospital in their memory.
Document 4: Lonsdale, Minnesota: As of the census of 2010, there were 3,674 people, 1,277 households, and 976 families residing in the city. The population density was 1,345.8 inhabitants per square mile (519.6/km2). There were 1,370 housing units at an average density of 501.8 per square mile (193.7/km2). The racial makeup of the city was 96.5% White, 0.4% African American, 0.3% Native American, 0.8% Asian, 0.3% Pacific Islander, 0.3% from other races, and 1.4% from two or more races. Hispanic or Latino of any race were 1.7% of the population.
Document 5: Jackson Avery: In the series 11 finale Kepner tells Avery that she is leaving with Owen Hunt to serve as a trauma surgeon in the Army; it will help her grieve for their son. Avery lets her go and wonders how he can deal with his own grief. After discussions over the phone via Facetime, Kepner tells Avery that she is extending her service time. The sound of gunfire and explosions are heard at April's base camp, leaving her to quickly terminate the call. On Valentine's Day, Kepner returns to the hospital, where she and Avery embrace in the foyer. In season 12, their marriage begins to fall apart and they grow estranged. In episode 11, they file for a civil divorce. After their divorce is completed, Kepner reveals that she is pregnant with Avery's child. In Season 14 Jackson begins a relationship with Maggie Pierce.
Document 6: Meredith Grey: Meredith is widowed when Derek is killed in a car accident and was taken to an understaffed hospital. The doctors failed to recognize his head injury in time and allowed personal conflicts to interfere. Derek is declared brain dead, and Meredith must go to the medical center to consent to remove him from life support, shortly before she's hit with the first waves of morning sickness. She tells Penny, the intern who was assigned to Derek that every doctor has ``that one ''patient who dies on their watch and haunts them forever and`` that one will make you work harder, and they make you better.''
Document 7: Minneapolis–Saint Paul: There are several different definitions of the region. Many refer to the Twin Cities as the seven - county region which is governed under the Metropolitan Council regional governmental agency and planning organization. The Office of Management and Budget officially designates 16 counties as the Minneapolis -- St. Paul -- Bloomington MN - WI Metropolitan Statistical Area, the 16th largest in the United States. The entire region known as the Minneapolis -- St. Paul MN - WI Combined Statistical Area, has a population of 3,866,768, the 14th largest, according to 2015 Census estimates.
Document 8: Portland, Oregon: As of the 2010 census, there are 583,776 people residing in the city, organized into 235,508 households. The population density is 4,375.2 people per square mile. There are 265,439 housing units at an average density of 1989.4 per square mile (1,236.3/km²). Population growth in Portland increased 10.3% between 2000 and 2010. Population growth in the Portland metropolitan area has outpaced the national average during the last decade, and this is expected to continue over the next 50 years.Out of 223,737 households, 24.5% have children under the age of 18 living with them, 38.1% are married couples living together, 10.8% have a female householder with no husband present, and 47.1% are non-families. 34.6% of all households are made up of individuals and 9% have someone living alone who is 65 years of age or older. The average household size is 2.3 and the average family size is 3. The age distribution was 21.1% under the age of 18, 10.3% from 18 to 24, 34.7% from 25 to 44, 22.4% from 45 to 64, and 11.6% who are 65 years of age or older. The median age is 35 years. For every 100 females, there are 97.8 males. For every 100 females age 18 and over, there are 95.9 males.
Document 9: New Hope, Minnesota: In the city, the population was spread out with 21.3% under the age of 18, 8.1% from 18 to 24, 30.2% from 25 to 44, 22.7% from 45 to 64, and 17.8% who were 65 years of age or older.  The median age was 38 years. For every 100 females, there were 86.6 males.  For every 100 females age 18 and over, there were 83.4 males.
Document 10: Saint Paul, Minnesota: Saint Paul (abbreviated St. Paul) is the capital and second-most populous city of the U.S. state of Minnesota. As of 2017, the city's estimated population was 309,180. Saint Paul is the county seat of Ramsey County, the smallest and most densely populated county in Minnesota. The city lies mostly on the east bank of the Mississippi River in the area surrounding its point of confluence with the Minnesota River, and adjoins Minneapolis, the state's largest city. Known as the ``Twin Cities '', the two form the core of Minneapolis -- Saint Paul, the 16th - largest metropolitan area in the United States, with about 3.6 million residents.
Document 11: Grey's Anatomy (season 9): The season follows the characters dealing with the aftermath of the season eight plane crash that claimed the life of Lexie Grey (Chyler Leigh) and upon rescue Mark Sloan (Eric Dane), who dies after sustaining injuries from the crash. Derek Shepherd (Patrick Dempsey) finds his surgical career in doubt after badly damaging his hand but Callie Torres (Sara Ramirez) ultimately manages to save his hand. The show's protagonist Meredith Grey (Ellen Pompeo) deals with the loss of her half - sister Lexie and later discovers that she is pregnant. Cristina Yang (Sandra Oh) who is severely traumatized upon rescue and later decides to take up her fellowship in Minnesota. Arizona Robbins (Jessica Capshaw) another survivor of the plane crash upon return realizes that her leg has to be amputated to save her life, reacts badly to this, becoming bitter and blaming her wife Callie and her former friend Alex Karev (Justin Chambers). To prevent the doctors' court case from being thrown out, Owen Hunt (Kevin McKidd) decides to divorce Yang, but the two agree to start again. The hospital itself becomes liable for the crash, putting its future in extreme doubt prompting the four crash survivors and Torres to purchase the hospital. Miranda Bailey (Chandra Wilson) marries her partner Ben Warren (Jason George), April Kepner (Sarah Drew) returns home to Ohio, but is brought back by Hunt to rejoin the hospital and she restarts her relationship with Jackson Avery (Jesse Williams).
Document 12: Derek Shepherd: In season 11, Derek is involved in a fatal car accident while driving to the airport for his final trip to Washington. He is able to hear and process auditory input, but unable to speak. He is recognized by Winnie, one of the victims of a crash he assisted in earlier, who tells the surgeons that their patient's name is Derek and that he is a surgeon as well. The hospital he was taken to was understaffed and his head injury was not detected quickly enough by the interns on duty that night. Although the neurosurgeon on call is paged multiple times, he takes too long to arrive and Derek is declared brain dead. Police arrive at Meredith's door and take her to see Derek, where she consents to removing him from life support. At the time of his death, Meredith was pregnant with their third child. She gives birth to a daughter whom she names Ellis after her mother.
Document 13: Minneapolis–Saint Paul: Minneapolis -- Saint Paul Minneapolis -- St. Paul -- Bloomington, MN -- WI Metropolitan area Metropolitan area Country United States States Minnesota Wisconsin Principal cities Minneapolis, Saint Paul Area Urban 1,021.8 sq mi (2,646 km) Metro 8,120 sq mi (21,000 km) Highest elevation 1,376 ft (419 m) Lowest elevation 660 ft (200 m) Population (2017) Density 515.4 / sq mi (199.0 / km) Urban 3,112,117 (14th) MSA 3,600,618 (16th) CSA 3,946,533 (14th) MSA / CSA: 2017 Urban: 2010 Time zone UTC − 6 (CST) Summer (DST) UTC − 5 (CDT)
Document 14: Cristina Yang: During her internship, Cristina has an on - off relationship with the chief of cardiothoracic surgery Preston Burke (Isaiah Washington) that leads to an accidental pregnancy. Yang schedules an abortion without telling him about the pregnancy due to Burke's behavior towards their lack of relationship status. However, Yang experiences an ectopic pregnancy and Burke discovers the pregnancy after Yang collapses from a burst fallopian tube. Burke and Yang begin a relationship in the aftermath of her miscarriage. After Burke is shot in the arm and develops a hand tremor, Yang helps him cover it up by developing a covert partnership wherein she performs most of his surgeries. Yang initially denies involvement during a confrontation, but then confesses everything to Richard Webber (James Pickens, Jr.), the chief of surgery. Yang's actions jeopardize Burke's chances of becoming chief, which he sees as a huge betrayal. After a short breakup, Yang breaks the silence and Burke proposes marriage, which Yang accepts after eight days of hesitation. Burke calls off the wedding, leaving Yang at the altar. She goes on her honeymoon to Hawaii with Meredith to recover, returning to discover that Burke has disappeared from her life and transferred to a different hospital.
Document 15: Flight (Grey's Anatomy): ``Flight ''is the twenty - fourth and final episode of the eighth season of the American television medical drama Grey's Anatomy, and the show's 172nd episode overall. It was written by series creator Shonda Rhimes, and directed by Rob Corn. The episode was originally broadcast on the American Broadcasting Company (ABC) in the United States on May 17, 2012. In the episode, six doctors from Seattle Grace Mercy West Hospital who are victims of an aviation accident fight to stay alive, but Dr. Lexie Grey (Chyler Leigh) ultimately dies. Other storylines occur in Seattle where Dr. Richard Webber (James Pickens, Jr.) plans his annual dinner for the departing residents, Dr. Owen Hunt (Kevin McKidd) fires Dr. Teddy Altman (Kim Raver), and Dr. Miranda Bailey (Chandra Wilson) gets engaged.
ground_truth: 1.7 million
sub_queries: where does christina yang go in season 9 Answer: Minnesota
What was the population of Minnesota by 1900? Answer: 1.7 million