Question: What is the date of birth of Maria Seweryn's mother?
Sentence (from "Krystyna Janda"): Krystyna Jolanta Janda (born 18 December 1952) is a Polish film and theater actress best known internationally for playing leading roles in several films by Polish director Andrzej Wajda, including "Man of MarbleCzłowiek z marmuru", 1976) and "Man of IronCzłowiek z żelaza", 1981).
Relevant evidence: Yes