Definition: 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.
Input: Context : Ubaldo Caccianemici (died 1171) was an Italian cardinal and cardinal-nephew of Pope Lucius II, his cousin who elevated him in May or June 1144.
Answer : 1171
Output:
On which date did Ubaldo Caccianemici die?