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.

When does series 11 of big bang theory start?
When does series 11 of big bang theory start airing?

When did the last season of one tree hill air?
When did the last season of one tree hill begin to air?

How many teams are there in indian super league?

How many teams are there in indian super league 2014 edition?