TASK DEFINITION: In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.
PROBLEM: Everybody loves raymond robert dates 22 year old?

SOLUTION: What is the season and episode number of Everybody Loves Raymond, when Robert dates a 22 year old?

PROBLEM: When did a/c first appear in homes?

SOLUTION: When did the first a/c unit appear in a home?

PROBLEM: Where do the symbols of elements come from?

SOLUTION:
Where do the symbols of elements generally come from?