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.

[Q]: Who used the word psychology for the first time?
[A]: Who used the word psychology for the first time and is generally given given credit? 
 Rudolph Goclenius the Elder


[Q]: What year was fiddler on the roof made?
[A]: When was the Fiddler on the Roof musical written? 
 1964


[Q]: Why would a recrystallization need to be done?
[A]:
Why would recrystallization need to be done in chemistry? 
 purifying compounds