Question: What is the date of death of Tatyana Afanasyeva's husband?
Sentence (from "Paul Ehrenfest"): Paul Ehrenfest (18 January 1880 – 25 September 1933) was an Austrian and Dutch theoretical physicist, who made major contributions to the field of statistical mechanics and its relations with quantum mechanics, including the theory of phase transition and the Ehrenfest theorem.
Relevant evidence: Yes