Question: What is the date of death of Hildrun Laufer-Claus's husband?
Sentence (from "Hildrun Laufer-Claus"): She won East German championships in the long jump in 1957–1962 and 1964, and set three world records (6.36 m and 6.40 m in 1960 and 6.42 m in 1961).
Relevant evidence: No