You will be given a definition of a task first, then some input of the task.
Generate a correct and concise answer for the question based on the words in the context.

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.
Question : On which date did Ubaldo Caccianemici die?
Output:
1171