Question: who was in charge of the city where Fernando Velázquez Vigil was born?

full_context: Document 1: René Portocarrero: René Portocarrero (born Havana, 24 February 1912; died Havana, 7 April 1985) was a Cuban artist recognised internationally for his achievements.
Document 2: 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 3: 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 4: 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 5: Ricardo Viera: Ricardo Viera (born in December 1945 in Ciego de Avila, Cuba) is a Cuban artist specializing painting, drawing, and engraving.
Document 6: 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 7: José Rodríguez Fuster: José Rodríguez Fuster (born August 1946 in Villa Clara, Cuba) is a Cuban naïve artist specializing in ceramics, painting, drawing, engraving, and graphic design.
Document 8: 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 9: Virgilio Piñera: Virgilio Piñera Llera (Cárdenas, Cuba, August 4, 1912 – Havana, October 18, 1979) was a Cuban author, playwright, poet, short-story writer, and essayist.
Document 10: 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 11: Fernando Velázquez Vigil: Fernando Velázquez Vigil (born Havana, Cuba; March 15, 1950 – died Havana; July 31, 2002) was a Cuban artist specialising in ceramics and painting.
Document 12: Jorge Fernández-Trevejo Rivas: Jorge Fernández-Trevejo Rivas (born in Havana, Cuba on August 6, 1949) is a Cuban artist, painter, and caricaturist. He currently resides in Argentina.
Document 13: 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 14: 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 15: 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.
ground_truth: Marta Hernández Romero
sub_queries: Where was Fernando Velázquez Vigil born? Answer: Havana
Who was in charge of Havana ? Answer: Marta Hernández Romero