Generate a correct and concise answer for the question based on the words in the context.
One 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?
Solution is here: Havana
Explanation: According to context Issac Nicola's city of birth is Havana. Hence this is a correct output.

Now, solve this: Context : Captain Peter Gerald Charles Dickens DSO, MBE, DSC, RN (6 April 1917 -- 25 May 1987) was a Royal Navy officer during World War II and a great-grandson of novelist Charles Dickens.
Question : What army did Peter Gerald Charles Dickens serve in?
Solution:
Royal Navy