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 invented movable type and the machine to reproduce text?
answer:
Who invented the world's first movable type and machine to reproduce text?

question:
The barkana waterfalls is located in which state?
answer:
What is the current name of the state where barkana waterfalls is located?

question:
When did the chargers make the super bowl?
answer:
When is the date did the chargers make the super bowl?