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.

Input: Consider Input: Context : The series follows adventures of Dipper Pines (voiced by Jason Ritter) and his twin sister Mabel (voiced by Kristen Schaal) in the fictional town of Gravity Falls, Oregon, while on summer vacation.
Answer : Oregon

Output: Which place does Gravity Falls exist in?

Input: Consider Input: Context : NGC 5750 is a barred spiral galaxy with an active galactic nucleus in the constellation Virgo.
Answer : Virgo

Output: What constellation does NGC 5750 belong to?

Input: Consider Input: Context : Married to Tolui, Genghis' youngest son, Sorghaghtani Beki became one of the most powerful and competent women in the Mongol Empire.
Answer : Tolui
Output: What is Sorghaghtani Beki's spouse's name?