You will be given a definition of a task first, then some input of the task.
An answer is given. Generate a question for which the given answer is either a direct or partial answer.

Answer: william h. seward
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
who was lincoln's secretary of state during his assassination?