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 did singer start making electric sewing machines?
When did singer demonstrate the first workable electric sewing machine? 
 1889

Who played austin reed on days of our lives?
Who played austin reed on days of our lives during 1992-95 and 2011-12? 
 William Patrick Muldoon III

Whose diary describes the great plague of london?

What English writer, gardener, and diarist described the great plague of London? 
 John Evelyn