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: LOW COUNTRIES 
Clue: This name of one of the low countries means "low country"
answer:
netherlands


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: "D" IN SCIENCE 
Clue: Children with this genetic disease have 3 no. 21 chromosomes instead of the usual 2
answer:

down syndrome