Question: Who was in charge of the city where Elena Burke died?

full_context: Document 1: 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 2: Celia Cruz: Úrsula Hilaria Celia de la Caridad Cruz Alfonso (October 21, 1925 -- July 16, 2003), better known as Celia Cruz, was a Cuban singer of Latin music. She was known for her powerful voice and her rhythm - centric musical style. She was the most popular Latin artist of the 20th century, gaining twenty - three gold albums during her career. US President Bill Clinton awarded her the National Medal of Arts in 1994. She was renowned internationally as the ``Queen of Salsa '',`` La Guarachera de Cuba'', as well as The Queen of Latin Music.
Document 3: 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 4: 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 5: Elena Burke: Elena Burke (born Romana Elena Burgues Gonzalez on February 28, 1928 in Havana, Cuba – June 9, 2002 in Havana, Cuba) was a revered and popular Cuban singer of boleros and romantic ballads.
Document 6: Inés Rodena: Inés Rodena (April 20, 1905 in Havana, Cuba – April 15, 1985 in Miami, USA) was a Cuban radio and television writer.
Document 7: Julián Orbón: Julián Orbón de Soto (August 7, 1925, Avilés, Spain – May 21, 1991, Miami, Florida) was a Cuban composer who lived and composed in Spain, Cuba, Mexico, and the United States of America. Aaron Copland referred to Orbón as "Cuba's most gifted composer of the new generation."
Document 8: 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 9: Fe del Valle: Fe del Valle Ramos (Remedios, Cuba, 9 August 1917 – 13 April 1961) was a Cuban civil rights activist, who died in the El Encanto fire, a terrorist attack in Havana.
Document 10: Elena D'Angri: Elena D'Angri Vitturi (also known as Elena Angri) (May 1821 or 1824 in Corfu – 29 August 1886 in Barcelona) was a Greek-born operatic contralto of Italian origin who was active in the mid-19th century in European opera houses and in the United States.
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: 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 13: Valentina la de Sabinosa: Valentina Hernández, also known as Valentina la de Sabinosa, (Sabinosa, La Frontera, El Hierro, 1889–1976) was a Spanish singer of Canarian folk music. Thanks to her, music from the island of El Hierro got to be known in the rest of the Canary Islands, and even in the rest of Spain. Valentina was recognized in all of the Canary Islands because of her voice. She helped to popularize traditional songs from El Hierro such as "El Baile del Vivo", "El Tango Herreño", "La Meda", "El Conde de Cabras" and, specially, "El Arrorró Herreño".
Document 14: 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 15: Rosa Elena Simeón Negrín: Rosa Elena Simeón Negrín was the Minister of Science, Technology and the Environment in Cuba. Her role in government includes raising awareness of environmental issues amongst Cubans.
ground_truth: Marta Hernández Romero
sub_queries: Elena Burke >> place of death Answer: Havana
Who was in charge of Havana ? Answer: Marta Hernández Romero