Question: What is the date of death of the director of film Una Viuda Difícil?
Sentence (from "Fernando Ayala"): Between 1950 and 1987 he was involved in the direction and production of well over 40 films, such as "Ayer fue primavera" in 1955 and "Argentinísima" and "Argentinísima II" in 1972 and 1973 respectively.
Relevant evidence: No