Generate a correct and concise answer for the question based on the words in the context.
Example: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Question : What was Isaac Nicola's city of birth?
Example solution: Havana
Example explanation: According to context Issac Nicola's city of birth is Havana. Hence this is a correct output.

Problem: Context : HD 221525 is a subgiant star near the north celestial pole in the constellation Cepheus. 
Question : Which constellation is formed by HD 221525?

Solution: Cepheus