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 was the first pc sold to the public?
When was the first PC considered to be the first true "personal computer" sold to the public? 
 January 1975

Who was the first black superhero in dc?
Who was the first black superhero in dc in 1972? 
 John Stewart

Who sings do you see what i see?

Who sings the vocals in the song "Do You See What I See?"? 
 Mark Seymour