instruction:
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.
question:
Who plays kayla on days of our lives?
answer:
Who plays Kayla Brady on Days of Our Lives from 1982-83?


question:
When did the new season of suits begin?
answer:
When did season 7 of Suits(TV series) first air?


question:
When did the indian numbering system reach europe?
answer:

When was the first mention of Hindu-Arabic numerals in europe?