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?
Sentence (from "Nine (2009 live-action film)"): 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".
Relevant evidence: No