Question: Sandy Ullrich's birthplace elected who as their mayor?

full_context: Document 1: Cerro, Havana: Cerro is one of the 15 municipalities or boroughs ("municipios" in Spanish) in the city of Havana, Cuba. As of 2016 it is considered "one of Havana’s poorest municipalities."
Document 2: Andrés Manuel López Obrador: On 2 July  2000, he was elected Head of Government of the Federal District—a position akin to that of city mayor for the national capital district—with 38.3% of the vote.
Document 3: Havana: The current mayor of Havana ("President of the People's Power Provincial Assembly") is Marta Hernández Romero, she was elected on March 5, 2011.
Document 4: Marie Atkins: Marie Atkins was mayor of the Kingston and Saint Andrew Corporation (KSAC) from 1989 to 2003. Atkins was the third female mayor for Kingston & St. Andrew, Jamaica, and is the longest-serving mayor to date for Kingston & St. Andrew. She is the first Jamaican to become the president of the World Conference of Mayors.
Document 5: Jack Calvo: Jacinto "Jack" Calvo González (June 11, 1894 – June 15, 1965) was born Jacinto Del Calvo in Havana, Cuba. He was an outfielder for the Washington Senators in 1913 and 1920. He played in 34 games, had 56 at bats, 10 runs, 9 hits, 1 triple, 1 home run, 4 RBIs, 3 walks, a .161 batting average, a .203 on-base percentage, a .250 slugging percentage, 67 total bases and 19 sacrifices. He died in Miami, Florida.
Document 6: Aroldis Chapman: Albertín Aroldis Chapman de la Cruz (Spanish: (aˈɾoldis ˈtʃapman); born February 28, 1988) is a Cuban - American professional baseball pitcher for the New York Yankees of Major League Baseball (MLB). He previously played in MLB for the Cincinnati Reds and Chicago Cubs and in the Cuban National Series for Holguín. Chapman bats and throws left - handed, and is nicknamed the Cuban Missile or the Cuban Flame Thrower
Document 7: Eriel Sánchez: Eriel Sánchez León (born April 12, 1975) in (Fomento, Sancti Spiritus). Is a Cuban baseball catcher for Sancti Spíritus of the Cuban National Series.
Document 8: Miami: In recent years the city government, under Mayor Manny Diaz, has taken an ambitious stance in support of bicycling in Miami for both recreation and commuting. Every month, the city hosts "Bike Miami", where major streets in Downtown and Brickell are closed to automobiles, but left open for pedestrians and bicyclists. The event began in November 2008, and has doubled in popularity from 1,500 participants to about 3,000 in the October 2009 Bike Miami. This is the longest-running such event in the US. In October 2009, the city also approved an extensive 20-year plan for bike routes and paths around the city. The city has begun construction of bike routes as of late 2009, and ordinances requiring bike parking in all future construction in the city became mandatory as of October 2009.
Document 9: Sandy Ullrich: Carlos Santiago Ullrich (July 25, 1921 – April 21, 2001) was a Major League Baseball starting pitcher, born in Havana, Cuba. Ullrich signed on to play Major League Baseball in the Washington Senators organization. He batted and threw right-handed during his baseball career.
Document 10: Dominican Republic: Baseball is by far the most popular sport in the Dominican Republic. The country has a baseball league of six teams. Its season usually begins in October and ends in January. After the United States, the Dominican Republic has the second highest number of Major League Baseball (MLB) players. Ozzie Virgil, Sr. became the first Dominican-born player in the MLB on September 23, 1956. Juan Marichal, Pedro Martínez, and Vladimir Guerrero are the only Dominican-born players in the Baseball Hall of Fame. Other notable baseball players born in the Dominican Republic are José Bautista, Adrián Beltré, George Bell, Robinson Canó, Rico Carty, Bartolo Colón, Nelson Cruz, Edwin Encarnación, Ubaldo Jiménez, Francisco Liriano, David Ortiz, Plácido Polanco, Albert Pujols, Hanley Ramírez, Manny Ramírez, José Reyes, Sammy Sosa, and Miguel Tejada. Felipe Alou has also enjoyed success as a manager and Omar Minaya as a general manager. In 2013, the Dominican team went undefeated en route to winning the World Baseball Classic.
Document 11: Carmen Cardinali Paoa: Chilean deputy Interior Minister Rodrigo Ubilla appointed Carmen Cardinali as Governor of Easter Island in early September 2010 to replace Edmunds. Cardinali's challenges included archeological preservation of the island's heritage and revamping the tourist industry. She served as a Governor until March 2014, being replaced by Marta Raquel Hotus Tuki, appointed by president Michelle Bachelet.
Document 12: Santiago Casilla: Santiago Casilla (born July 25, 1980) is a Dominican professional baseball relief pitcher who is a free agent. He previously played in Major League Baseball (MLB) for the Oakland Athletics and San Francisco Giants. Casilla throws four pitches: a fastball, slider, curveball, and changeup.
Document 13: Houston: The city of Houston has a strong mayoral form of municipal government. Houston is a home rule city and all municipal elections in the state of Texas are nonpartisan. The City's elected officials are the mayor, city controller and 16 members of the Houston City Council. The current mayor of Houston is Sylvester Turner, a Democrat elected on a nonpartisan ballot. Houston's mayor serves as the city's chief administrator, executive officer, and official representative, and is responsible for the general management of the city and for seeing that all laws and ordinances are enforced.
Document 14: Mexico City: The first elected head of government was Cuauhtémoc Cárdenas. Cárdenas resigned in 1999 to run in the 2000 presidential elections and designated Rosario Robles to succeed him, who became the first woman (elected or otherwise) to govern Mexico City. In 2000 Andrés Manuel López Obrador was elected, and resigned in 2005 to run in the 2006 presidential elections, Alejandro Encinas being designated by the Legislative Assembly to finish the term. In 2006, Marcelo Ebrard was elected for the 2006–2012 period.
Document 15: Ron Santo: Ron Santo Santo at Wrigley Field in May 2009 Third baseman Born: (1940 - 02 - 25) February 25, 1940 Seattle, Washington Died: December 3, 2010 (2010 - 12 - 03) (aged 70) Scottsdale, Arizona Batted: Right Threw: Right MLB debut June 26, 1960, for the Chicago Cubs Last MLB appearance September 29, 1974, for the Chicago White Sox MLB statistics Batting average. 277 Hits 2,254 Home runs 342 Runs batted in 1,331 Teams Chicago Cubs (1960 -- 1973) Chicago White Sox (1974) Career highlights and awards 9 × All - Star (1963 -- 1966, 1968, 1969, 1971 -- 1973) 5 × Gold Glove Award (1964 -- 1968) Chicago Cubs # 10 retired Member of the National Baseball Hall of Fame Induction 2012 Vote 93.75% Election Method Golden Era Committee
ground_truth: Marta Hernández Romero
sub_queries: Sandy Ullrich >> place of birth Answer: Havana
Who was in charge of Havana ? Answer: Marta Hernández Romero