Question: What side of town is the Chicago Mayer-endorsed, 38th Ward of the City of Chicago alderman serving?

full_context: Document 1: Carol Moseley Braun: Carol Elizabeth Moseley Braun, also sometimes Moseley-Braun (born August 16, 1947), is an American diplomat, politician and lawyer who represented Illinois in the United States Senate from 1993 to 1999. She was the first female African-American Senator, the first African-American U.S. Senator for the Democratic Party, the first woman to defeat an incumbent U.S. Senator in an election, and the first female Senator from Illinois. She was the only female U.S. Senator from Illinois until Tammy Duckworth who became the U.S. Senator from Illinois in January 2017. From 1999 until 2001, she was the United States Ambassador to New Zealand. She was a candidate for the Democratic nomination during the 2004 U.S. presidential election. Following the public announcement by Richard M. Daley that he would not seek re-election, in November 2010, Braun began her campaign for Mayor of Chicago. The former Senator placed fourth in a field of six candidates, losing the February 22, 2011, election to Rahm Emanuel.
Document 2: Rob Johnson (Seattle politician): Rob Johnson is a politician on the Seattle City Council representing the city's fourth district of northeast Seattle and the University of Washington area. Johnson defeated Michael Maddux 51%-48% - a 708-vote margin that was the third-closest race in 2015 - to take the seat, becoming the inaugural holder of the newly created District 4 council position. This followed Johnson's and Maddux's defeat of 12-year incumbent Jean Godden in the August Primary election. Both Johnson and Maddux ran as progressive urbanists, defeating slow-growth candidates Godden and Tony Provine. Prior to the election, Johnson was executive director of Transportation Choices Coalition, an advocacy group in Washington state, and managed successful campaign for the Sound Transit 2 rail expansion programs. Shortly after his swearing-in ceremony in January 2016, Johnson was appointed by King County Executive Dow Constantine to the Sound Transit Board of Directors, replacing fellow council-member Mike O'Brien. Rob Johnson is a fifth generation Seattleite with three kids. He is invested in making the city of Seattle a more affordable and safer place with multiple transportation options and education choices >
Document 3: Nicholas Sposato: Nicholas Sposato serves on Chicago City Council as alderman of the 38th Ward of the City of Chicago on the city's Northwest Side. Sposato was elected in 2011 in an election against incumbent alderman John Rice, who was endorsed by then Mayor-elect Rahm Emanuel.
Document 4: Ed Lee (politician): Edwin Mah Lee (, born May 5, 1952) is an American politician and attorney who is the 43rd and current Mayor of San Francisco, California. He was appointed by the Board of Supervisors on January 11, 2011 to serve out the remainder of former mayor Gavin Newsom's term, after Newsom resigned to take office as Lieutenant Governor of California. Lee won the election on November 8, 2011 to serve a full term as Mayor. He was re-elected in 2015.
Document 5: Pittsburgh mayoral election, 2009: Pittsburgh held a mayoral election on November 3, 2009. Incumbent mayor Luke Ravenstahl, a Democrat, defeated his two independent challengers by a wide margin. The 2009 election was the first regular-cycle election in which Ravenstahl participated; he was originally appointed as an interim mayor to succeed Bob O'Connor and subsequently won a special election in 2007.
Document 6: Rahm Emanuel: Rahm Israel Emanuel ( ; born November 29, 1959) is an American politician who is the 44th and current mayor of Chicago. A member of the Democratic Party, Emanuel was elected in 2011. He was re-elected on April 7, 2015.
Document 7: Rudy Giuliani: Rudolph William Louis Giuliani {'1': ", '2': ", '3': ", '4': "} ( ; born May 28, 1944) is an American lawyer, businessman, public speaker, former mayor of New York City, and an informal adviser on cybersecurity to the White House.
Document 8: New York City mayoral election, 2009: The 2009 election for Mayor of New York City took place on Tuesday, November 3. The incumbent Mayor, Michael Bloomberg, an independent who left the Republican Party in 2008, won reelection on the Republican and Independence Party/Jobs & Education lines with 50.7% of the vote over the retiring City Comptroller, Bill Thompson, a Democrat (also endorsed by the Working Families Party), who won 46.3%. Thompson had won the Democratic primary election on September 15 with 71% of the vote over City Councilman Tony Avella and Roland Rogers. This was the fifth straight mayoral victory by Republican candidates in New York despite the city's strongly Democratic leaning in national and state elections.
Document 9: Susie Sadlowski Garza: Susan Sadlowski Garza is a member of the Chicago City Council serving as Alderman for the 10th ward. The 10th ward is located on Chicago's southeast side and includes East Side, Hegewisch, Jeffrey Manor, South Chicago and South Deering. She is serving her first term after defeating Rahm Emanuel ally John Pope in the 2015 election.
Document 10: Harold Washington: Harold Lee Washington (April 15, 1922 – November 25, 1987) was an American lawyer and politician from the state of Illinois who was elected as the 41st Mayor of Chicago. Washington was noted as the first African–American to be elected as mayor of Chicago in February 1983. Washington served as mayor from April 29, 1983 until his death on November 25, 1987. Washington was also a member of the U.S. House of Representatives from January 1981 until beginning his tenure as Chicago mayor in April 1983, representing the Illinois first district. Prior to his time as a member of the House of Representatives, Washington previously served in the Illinois State Senate and the Illinois House of Representatives from 1965 until 1976.
Document 11: Jesús &quot;Chuy&quot; García: Jesús G. "Chuy" García (born April 12, 1956) is an American politician and member of the Democratic Party who serves on the Cook County Board of Commissioners. A candidate for Mayor of Chicago, Garcia finished second in the February 24, 2015 mayoral election, forcing a head-to-head runoff vote between himself and incumbent Rahm Emanuel. Garcia was defeated in the April 7 runoff by Emanuel. Garcia was elected to the Chicago City Council in 1986, and in 1992 became the first Mexican-American member of the Illinois State Senate. In 2010, Garcia won election to the 7th district Cook County Board of Commissioners, and after his election was appointed floor leader by Cook County President Toni Preckwinkle. A progressive and a reformer, García is a Preckwinkle ally and was a supporter of former Chicago Mayor Harold Washington.
Document 12: Peter N. Silvestri: Peter N. Silvestri is currently a member of the Cook County Board of Commissioners representing the 9th district which includes the Norwood Park and Dunning areas of the City of Chicago as well as the surrounding suburbs of Des Plaines, Elmwood Park, Harwood Heights, Morton Grove, Mount Prospect, Niles, Norridge, Park Ridge, River Forest, River Grove, Rosemont and Schiller Park. During part of his tenure as Cook County Commissioner he was also the Village President of Elmwood Park, Illinois serving in that post from 1989 until 2013.
Document 13: R. T. Rybak: Raymond Thomas "R. T." Rybak Jr. (born November 12, 1955) is an American politician, journalist, businessperson, and activist who served as the 46th mayor of Minneapolis. In the 2001 election Rybak defeated incumbent Sharon Sayles Belton by a margin of 65% to 35%; the widest margin in city history for a challenge to an incumbent. He took office in January 2002, and won a second term in November 2005 and a third in November 2009. In late December 2012, he announced he would not run for another term and was going to be concentrating on his family. Rybak called being mayor his "dream job."
Document 14: Toni Foulkes: Toni Foulkes is the current alderman of Chicago's 16th ward, and was formerly the alderman for the 15th ward. She is African American. In 2014, as 15th ward alderman, she supported a bill to require employers to provide paid for sick leave for all Chicago workers.
Document 15: Raymond Lopez: Raymond Anthony Lopez (born May 26, 1978) is an American politician who serves at the alderman and Democratic Committeeman of the 15th Ward in Chicago, Illinois. A member of the Democratic Party, Lopez was first elected as Democratic Committeeman of the 15th Ward in 2012, becoming the first openly gay Mexican-American to be elected in Illinois. On April 7, 2015, Lopez was elected alderman of the 15th Ward.
ground_truth: Northwest Side