Question: Who was the spouse of the first president who identified as a member of Barack Obama's party in 2008?

full_context: Document 1: Will Smith: Smith donated $4,600 to the 2008 presidential campaign of Democrat Barack Obama. On December 11, 2009, Smith and his wife hosted the Nobel Peace Prize Concert in Oslo, Norway to celebrate Obama's winning of the prize.In 2012, Smith stated he supported legalizing same-sex marriage.
Document 2: Godwin Chepkurgor: In 2009, another Kenyan journalist brought up the subject of the 2000 marriage proposal to then U.S. Secretary of State Hillary Clinton during a town hall meeting with reporters. After a pause, Secretary Clinton replied saying, "My daughter is her own person. I will convey this very kind offer." Chepkurgor expressed happiness that his original marriage offer had been renewed in an interview with the BBC. Chepkurgor added at the time that his first wife, Grace, "did not object" to his proposal to Chelsea Clinton.
Document 3: Sarah Childress Polk: Sarah Polk ("née" Childress; September 4, 1803 – August 14, 1891) was the First Lady of the United States from 1845 to 1849. She was the wife of the 11th President of the United States, James K. Polk.
Document 4: Democratic Party of Georgia: Since 1948, the Democrats have secured the state of Georgia 7 times, while the Republican party secured Georgia 8 times. However, during the past 6 presidential elections, the Democrats won the state of Georgia only once, in 1992. Bill Clinton won 43.47% of the vote while incumbent President George H.W. Bush carried 42.88%, while losing his quest for a 2nd term.
Document 5: Andrew Johnson National Historic Site: The cemetery also includes the interments of Johnson's wife, Eliza McCardle Johnson, and son Brigadier General Robert Johnson Henderson. David T. Patterson, a United States Senator from Tennessee, and his son Andrew J. Patterson, who was instrumental in securing historic designation for the Greeneville properties associated with Andrew Johnson, were among others buried in the cemetery. The site was authorized by Congress as a U.S. National Monument in 1935, established on April 27, 1942, and redesignated a National Historic Site on December 11, 1963.
Document 6: Democratic Party (United States): Fifteen Democrats have served as President under 16 administrations: the first was seventh President Andrew Jackson, who served from 1829 to 1837; Grover Cleveland served two nonconsecutive terms from 1885 to 1889 and 1893 to 1897; and is thus counted twice (as the 22nd and 24th President). The most recent was the 44th President Barack Obama, who held the office from 2009 to 2017.
Document 7: Rachel Jackson: Rachel Jackson ("née" Donelson; June 15, 1767 – December 22, 1828) was the wife of Andrew Jackson, the 7th President of the United States. She lived with him at their home at The Hermitage, where she died just days after his election and before his inauguration in 1829—therefore she never served as First Lady, a role assumed by her niece, Emily Donelson.
Document 8: 2008 Summer Olympics torch relay: On April 1, 2008, the San Francisco Board of Supervisors approved a resolution addressing human rights concerns when the Beijing Olympic torch arrives in San Francisco on April 9. The resolution would welcome the torch with "alarm and protest at the failure of China to meet its past solemn promises to the international community, including the citizens of San Francisco, to cease the egregious and ongoing human rights abuses in China and occupied Tibet." On April 8, numerous protests were planned including one at the city's United Nations Plaza led by actor Richard Gere and Archbishop Desmond Tutu.
Document 9: Andrew Johnson National Cemetery: The Andrew Johnson National Cemetery is a United States National Cemetery on the grounds of the Andrew Johnson National Historic Site in Greeneville, Tennessee. Established in 1906, the cemetery was built around the resting place of Andrew Johnson, the 17th President of the United States, and holds more than two thousand graves.
Document 10: Two-party system: There is general agreement that the United States has a two - party system; historically, there have been few instances in which third party candidates won an election. In the First Party System, only Alexander Hamilton's Federalist Party and Thomas Jefferson's Democratic - Republican Party were significant political parties. Toward the end of the First Party System, the Republicans dominated a one - party system (primarily under the Presidency of James Monroe). Under the Second Party System, the Democratic - Republican Party split during the election of 1824 into Adams' Men and Jackson's Men. In 1828, the modern Democratic Party formed in support of Andrew Jackson. The National Republicans were formed in support of John Quincy Adams. After the National Republicans collapsed, the Whig Party and the Free Soil Party quickly formed and collapsed. In 1854, the modern Republican Party formed from a loose coalition of former Whigs, Free Soilers and other anti-slavery activists. Abraham Lincoln became the first Republican president in 1860.
Document 11: Daniel Smith Donelson: Daniel Smith Donelson (June 23, 1801 – April 17, 1863) was a Tennessee politician and soldier. The historic river-port of Fort Donelson was named for him as a Brigadier in the Tennessee militia, early in the American Civil War, in which he went on to serve as a Confederate general, notably at Perryville and Stones River. He was the nephew of America's seventh president, Andrew Jackson.
Document 12: New York City: The Democratic Party holds the majority of public offices. As of November 2008, 67% of registered voters in the city are Democrats. New York City has not been carried by a Republican in a statewide or presidential election since President Calvin Coolidge won the five boroughs in 1924. In 2012, Democrat Barack Obama became the first presidential candidate of any party to receive more than 80% of the overall vote in New York City, sweeping all five boroughs. Party platforms center on affordable housing, education, and economic development, and labor politics are of importance in the city.
Document 13: Beyoncé: In December, Beyoncé along with a variety of other celebrities teamed up and produced a video campaign for "Demand A Plan", a bipartisan effort by a group of 950 US mayors and others designed to influence the federal government into rethinking its gun control laws, following the Sandy Hook Elementary School shooting. Beyoncé became an ambassador for the 2012 World Humanitarian Day campaign donating her song "I Was Here" and its music video, shot in the UN, to the campaign. In 2013, it was announced that Beyoncé would work with Salma Hayek and Frida Giannini on a Gucci "Chime for Change" campaign that aims to spread female empowerment. The campaign, which aired on February 28, was set to her new music. A concert for the cause took place on June 1, 2013 in London and included other acts like Ellie Goulding, Florence and the Machine, and Rita Ora. In advance of the concert, she appeared in a campaign video released on 15 May 2013, where she, along with Cameron Diaz, John Legend and Kylie Minogue, described inspiration from their mothers, while a number of other artists celebrated personal inspiration from other women, leading to a call for submission of photos of women of viewers' inspiration from which a selection was shown at the concert. Beyoncé said about her mother Tina Knowles that her gift was "finding the best qualities in every human being." With help of the crowdfunding platform Catapult, visitors of the concert could choose between several projects promoting education of women and girls. Beyoncé is also taking part in "Miss a Meal", a food-donation campaign, and supporting Goodwill charity through online charity auctions at Charitybuzz that support job creation throughout Europe and the U.S.
Document 14: Republican Party (United States): The party has won 24 of the last 40 U.S. presidential elections and there have been a total of 19 Republican presidents, the most from any one party. The first was 16th president Abraham Lincoln, who served from 1861 until his assassination in 1865, and the most recent being 45th and current president Donald Trump, who took office on January 20, 2017.
Document 15: Kanye West: In September 2013, West was widely rebuked by human rights groups for performing in Kazakhstan at the wedding of authoritarian President Nursultan Nazarbayev's grandson. He traveled to Kazakhstan, which has one of the poorest human rights records in the world, as a personal guest of Nazarbayev. Other notable Western performers, including Sting, have previously cancelled performances in the country over human rights concerns. West was reportedly paid US$3 million for his performance. West had previously participated in cultural boycotts, joining Shakira and Rage Against The Machine in refusing to perform in Arizona after the 2010 implementation of stop and search laws directed against potential illegal aliens.
ground_truth: Rachel Jackson
sub_queries: What party did Barack Obama belong to in 2008? Answer: Democrat
who was the first president identified as a Democrat Answer: Andrew Jackson
Andrew Jackson >> spouse Answer: Rachel Jackson