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.

[EX Q]: When did canada become a completely independent country?
[EX A]: When did Canada become a self governing country, even though Britain could make changes to the constitution? 
 1931

[EX Q]: Which is first hannibal and silence of the lambs?
[EX A]: Which is first in the novel series: Hannibal or Silence of the Lambs? 
 The Silence of the Lambs

[EX Q]: When did the united states start using zip codes?
[EX A]:
When did the United States introduce zip codes? 
 July 1, 1963