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.
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Question: When did the third industrial revolution take place?

Answer: When did the Third Industrial Revolution begin?

Question: Who plays captain jack sparrow in pirates of the caribbean?

Answer: Who plays the adult Captain Jack Sparrow in the Pirates of the Caribbean films?

Question: Who collected the data used to describe the current model for the molecular structure of dna?

Answer:
Who collected the x-ray diffraction images originally used to describe the current model for the molecular structure of dna?