Given the task definition and input, reply with output. 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 : Togs-Ochiryn Namnansuren (Mongolian: - ; Chinese: ; Tibetan: ; 1878 -- April 1919), full title Sain Noyon Khan Namnansuren ( , Good noyon khan Namnansuren), was a powerful hereditary prince and prominent early 20th century Mongolian independence leader.
Answer : April 1919
What date did Togs-Ochiryn Namnansuren die on?