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 was clifford the big red dog made?
When was clifford the big red dog book first made?

What were the two sides of the revolutionary war called?
What were the two sides of the revolutionary war?

How many episodes are in series 4 of shetland?

How many episodes are in shetland series 4?