Question: What is the date of death of Frederik Thorkildsen Wexschall's wife?
Sentence (from "Frederik Thorkildsen Wexschall"): Frederick Thorkildsen Wexschall (born 9 April 1798 in Copenhagen, died 25 October 1845) was a Danish classical composer, violinist, and concertmaster of the Copenhagen Royal Orchestra.
Relevant evidence: No