Question: What is the date of death of Krystyna Zachwatowicz's husband?
Sentence (from "Andrzej Wajda"): He is considered one of the world's most renowned filmmakers whose works chronicled his native country's political and social evolution and dealt with the myths of Polish national identity offering insightful analyses of the universal element of the Polish experience - the struggle to maintain dignity under the most trying circumstances.
Relevant evidence: No