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.

What are the books in the game of thrones series?
What are the books in the game of thrones series, 1-5, that have already been released? 
 A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, A Dance with Dragons

Who plays general iroh in avatar the last airbender?
Who plays general iroh in the first two seasons of Avatar the Last Airbender? 
 Mako

When did army air corps become air force?

When did US army air corps become air force? 
 20 June 1941

