You will be given a definition of a task first, then some input of the task.
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 : Rolf Lidberg Jonas (May 26, 1930 in Jarkvissle, Sweden -- 15 February 2005) was a Swedish artist and botanist, best known for his watercolor paintings and books with paintings of trolls depicting their life near Sweden's Indal river.
Answer : 15 February 2005
Output:
What was the date of death of Rolf Lidberg?