Question: What is the date of death of Dacia Maraini's mother?
Sentence (from "Dacia Maraini"): She has won awards for her work, including the Formentor Prize for "L'età del malessere" (1963); the "Premio Fregene" for "Isolina" (1985); the "Premio Campiello" and Book of the Year Award for "La lunga vita di Marianna Ucrìa" (1990); and the "Premio Strega" for "Buio" (1999).
Relevant evidence: No