instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: ROYAL WOMEN 
Clue: Nori, his daughter, only fit the category until Nov. 15, 2005, when she married a commoner
answer:
akihito


question:
Category: RODGERS & HAMMERSTEIN 
Clue: Mary Martin received a Tony Award for playing Maria in this 1959 Rodgers & Hammerstein musical
answer:
the sound of music


question:
Category: 20th CENTURY EUROPE 
Clue: Under PM Hjalmar Hammarskjold, Dag's dad, Sweden maintained this stance during WWI
answer:

neutrality