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 : They lived in the north of Beleriand, in the forest of Brethil, and were at first untouched by the war; but Orcs came after Minas Tirith was taken, and yet the Men of Brethil would not relinquish their homes, and Halmir sent word to Thingol King of Doriath, as he had friendship with the Elves that guarded the realm.
Answer : Brethil
Output:
What city is Halmir from?