Q: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Context : Gerhard Westerburg (Cologne c.1490 -- 1558 in Dykhausen, Sande, Lower Saxony) was a German jurist and Anabaptist theologian.
Answer : 1558
A:
The death of Gerhard Westerburg occured on what date?