Question: What is the birthday of Fernando Romero's billionaire father-in-law?

full_context: Document 1: Carlos Slim: Carlos Slim Helú (] ; born January 28, 1940) is a Mexican business magnate, investor, and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world. He derived his fortune from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso.
Document 2: Carlos Ahumada: Carlos Agustín Ahumada Kurtz (born 1964) is an entrepreneur of dual Argentine-Mexican nationality. His main areas of business are mining, construction and football. He founded the "El Independiente" newspaper in Mexico and was a partner and founding member of Colegio de Imagen Pública A.C.
Document 3: Grupo Carso: Grupo Carso or Grupo Sanborns SAB is a Mexican global conglomerate company owned by Carlos Slim. It was formed in 1990 after the merger of Corporación Industrial Carso and Grupo Inbursa. The name Carso stands for Carlos Slim and Soumaya Domit de Slim, his late wife.
Document 4: Rafael del Pino (businessman): Rafael del Pino y Moreno (and family) (born 10 November 1920 in Madrid, Spain; died 14 June 2008 in Madrid) was one of the wealthiest men in Europe. He had a net worth of approximately 8.6 billion US dollars in 2007. Del Pino founded the construction company Ferrovial in 1952, which became one of Spain's largest builders. He stepped down as President of Ferrovial in 2000, passing on the position to his son, Rafael del Pino Calvo-Sotelo, who now heads the business. He held an MBA from the MIT Sloan School of Management. In 2000 he founded the Fundación Rafael del Pino with the mission of developing future leaders.
Document 5: José Antonio Fernández Carbajal: José Antonio Fernández Carbajal (born 1954 in Puebla, Puebla) is a Mexican businessman. He is the chairman and CEO of FEMSA, the largest beverage company in Latin America. He is nicknamed 'El Diablo' (The Devil) by certain people and media.
Document 6: George Soros: George Soros ( or ; Hungarian: "Soros György" , ] ; born György Schwartz, August 12, 1930) is a Hungarian-American investor, business magnate, philanthropist, and author. Soros is one of the world's most successful investors. As of May 2017, he had a net worth of $25.2 billion, ranking among the 30 richest people in the world.
Document 7: Museo Soumaya: The Museo Soumaya, designed by the Mexican architect Fernando Romero, is a private museum in Mexico City. It is a non-profit cultural institution with two museum buildings in Mexico City - Plaza Carso and Plaza Loreto. It has over 66,000 works from 30 centuries of art including sculptures from Pre-Hispanic Mesoamerica, 19th- and 20th-century Mexican art and an extensive repertoire of works by European old masters and masters of modern western art such as Auguste Rodin, Salvador Dalí, Bartolomé Esteban Murillo and Tintoretto. It is considered one of the most complete collections of its kind. The museum is named after Soumaya Domit, who died in 1999, and was the wife of the founder of the museum Carlos Slim. The museum received an attendance of 1,095,000 in 2013, making it the most visited art museum in Mexico and the 56th in the world that year. In October 2015, the museum welcomed its five millionth visitor.
Document 8: Roberto Hernández Ramírez: Roberto Hernández Ramírez (born 1942 in Tuxpan, Veracruz) is a Mexican businessman. He is a former CEO of "Banco Nacional de México (Banamex)", Mexico's second largest bank, just after BBVA Bancomer, from Spain. He is currently a member of the administration board of Citigroup. Chairman of the Board, Banco Nacional de Mexico, S.A. - 1991 to present; Chief Executive Officer, Banco Nacional de Mexico, S.A. - 1997 to 2001; Director, Grupo Financiero Banamex, S.A. de C.V. - 1991 to present; Co-founder, Acciones y Valores Banamex, S.A. de C.V., Chairman -1971 to 2003; Chairman of the Board, Bolsa Mexicana de Valores, S.A. de C.V. (Mexican Stock Exchange) - 1974 to 1979, Director - 1972 to 2003; Member of the International Advisory Committee of the Federal Reserve Bank of New York - 2002 to present; Chairman, Asociacion Mexicana de Bancos (Mexican Bankers Association) - 1993 to 1994; Member, Bolsa Mexicana de Valores, S.A. de C.V. - 1967 to 1986; Director of Citigroup since from 2001 to 2009; Other Directorships: GRUMA, S.A. de C.V. and Grupo Televisa, S.A.;
Document 9: Archivo Diseño y Arquitectura: Located in Mexico City, Archivo Diseño y Arquitectura is a space dedicated to exhibiting, researching and rethinking design in its many forms and outlets. Founded by Mexican architect Fernando Romero and his wife Soumaya Slim in 2012, Archivo houses two collections: a design collection of over 1,500 objects, both international and of Mexican origin, and the personal library of the well-known Mexican modernist architect, Enrique del Moral.
Document 10: Sonia Romero: Sonia Romero (born 1980 in Los Angeles, California) is a Chicana, American artist known for her printmaking, mixed media linocut prints, murals, and public art based in Los Angeles. She is known for depicting Los Angeles, Latin American imagery, and Chicano themes in her work. Romero has had artwork commissioned by the Los Angeles County Art Commission, and the Los Angeles County Metropolitan Transportation Authority. She is known for straddling the world of both fine art and public art, as her prints are often exhibited in galleries and she collaborates with civic organizations in producing public art, such as the public pool murals created with the Los Angeles Conservation Corp.
Document 11: Carlos St. James: Carlos St. James (born Chicago, Illinois, US on June 21, 1961) is considered one of the founders of the Latin American renewable energy industry. He founded Argentina's renewable energy industry association; founded another organization that creates a bridge for investment capital and technology transfer from the Gulf region into Latin America's energy sector; and was the first President of the Latin American & Caribbean Council on Renewable Energy ("LAC-CORE") of Washington, DC, USA. He is active in the private sector as developer and investor, and as founder and publisher of a Spanish language magazine that communicates and educates the benefits of clean energy use across the continent. He has spoken at energy conferences in over three dozen countries across five continents to promote investment and visibility to the region, while working with governments to improve energy policies.
Document 12: Li Ka-shing: Sir Ka-shing Li, GBM, KBE, JP (born 29 July 1928 in Chaozhou, China) is a Hong Kong business magnate, investor, and philanthropist. As of September 2017, Li is one of the wealthiest people in Asia, with an estimated net worth of US$34.4 billion. He is currently the chairman of the board for CK Hutchison Holdings; through it, he is the world's leading port investor, developer, and operator, and the largest health and beauty retailer in Asia and Europe.
Document 13: Fernando Romero: Fernando Romero (born 11 October 1971) is a Mexican architect. He is the son-in-law of Mexican billionaire, Carlos Slim.
Document 14: Fernando Fernández (actor): Fernando Fernández "El Crooner de México" (1916–1999) was a Mexican actor and singer. He was born on November 9, 1916, in Monterrey, Mexico, and died in Mexico City, Mexico, on November 24, 1999. Fernando was the son of Eloisa Reyes. He was brother of the famous film director Emilio Fernández and actor Jaime Fernández. He was married to singer Lupita Palomera, who died in 2008. Fernando Fernández was known as "the Crooner of Mexico."
Document 15: Lee Kun-hee: Lee Kun-hee (Hangul:  ; Hanja:  ; ] ; born January 9, 1942) is a South Korean business magnate and the chairman of Samsung Group. He resigned in April 2008, owing to a Samsung slush funds scandal, but returned on March 24, 2010. In 1996, Lee became a member of the International Olympic Committee. With an estimated net worth of $7.2 billion, he and his family rank among the Forbes richest people in the world. He is the third son of Samsung founder Lee Byung-chul.
ground_truth: January 28, 1940