instruction:
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.
question:
Who was the british general who surrendered at yorktown?
answer:
Who was the British general who signed surrender documents at Yorktown? 
 His Excellency General The Most Honourable The Marquess Cornwallis KG PC


question:
How many episodes are in sherlock holmes season 1?
answer:
How many episodes are in series 1 of sherlock, the 2010 tv show? 
 3


question:
When did the soviet union change to russia?
answer:

When did the soviet union change to russia as measured by when Russia declared itself independent? 
 June 12, 1991