TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Herbivores is the term for animals that eat producers to get energy.

SOLUTION: What is the term for animals that eat producers to get energy?

PROBLEM: Diffusion is the term for the movement of molecules from an area of high concentration to an area of low concentration.

SOLUTION: What is the term for the movement of molecules from an area of high concentration to an area of low concentration?

PROBLEM: The human penis contains the urethra, as well as three cylinders of spongy erectile tissue.

SOLUTION:
The human penis contains the urethra, as well as how many cylinders of spongy erectile tissue?