Question: The Spanish actress and model who made her acting debut at 16, and starred in the 2009 romantic musical drama film Nine, was signed by an agent at what age?
Related documents: [0]  [DOC] Penélope Cruz Sánchez (] ; born 28 April 1974) is a Spanish actress and model. Signed by an agent at age 15, she made her acting debut at 16 on television and her feature film debut the following year in "Jamón Jamón" (1992) to critical acclaim. Her subsequent roles in the 1990s and 2000s included "Open Your Eyes" (1997), "The Hi-Lo Country" (1999), "The Girl of Your Dreams" (2000) and "Woman on Top" (2000). Cruz achieved recognition for her lead roles in the 2001 films "Vanilla Sky", "All the Pretty Horses", "Captain Corelli's Mandolin" and "Blow". [END] 
[1]  [DOC] Nine is a 2009 romantic musical drama film directed and produced by Rob Marshall and written by Michael Tolkin and Anthony Minghella. The film is an adaptation of the 1982 musical of the same name, which in turn is based on Federico Fellini's semi-autobiographical 1963 film "8½". In addition to songs from the stage musical, all written by Maury Yeston, the film has three original songs, also written by Yeston. The ensemble principal cast consists of Daniel Day-Lewis, Marion Cotillard, Penélope Cruz, Judi Dench, Fergie, Kate Hudson, Nicole Kidman, and Sophia Loren. [END] 
Answer: 
15
15