Question: What is the date of death of Eva Palmer-Sikelianos's husband?
Sentence (from "Eva Palmer-Sikelianos"): Evelina "Eva" Palmer-Sikelianos (January 9, 1874 – June 4, 1952) was an American woman notable for her study and promotion of Classical Greek culture, weaving, theater, choral dance and music.
Relevant evidence: No