Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: The high points in a transverse wave are called crests.
Example Output: What are the high points in a transverse wave called?

Example Input: Particle accelerators can nuclear fusion in stars be simulated.
Example Output: How can nuclear fusion in stars be simulated?

Example Input: Nuclear power plants produce electricity through induced fission.
Example Output:
Nuclear power plants produce electricity through what?