TASK DEFINITION: An answer is given. Generate a question for which the given answer is either a direct or partial answer.
PROBLEM: Answer: durham, north carolina

SOLUTION: what city is duke university in?

PROBLEM: Answer: lights (ellie goulding album)

SOLUTION: what was ellie gouldings first album?

PROBLEM: Answer: the sisters grimm

SOLUTION:
when will the ninth sisters grimm book be about?