In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

When was the song don't worry be happy made?
When was the song don't worry be happy by Bobby McFerrin made? 
 September 1988

When did o canada become canada's national anthem?
When was o canada first used as canada's national anthem?|When did "O Canada" become Canada's de facto national anthem? 
 1939

What territory did us gain from spanish-american war?

What territory in the Atlantic Ocean did us gain from spanish-american war? 
 Puerto Rico