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

Ex Input:
Three many pairs of autosomes are there.

Ex Output:
How many pairs of autosomes are there?

Ex Input:
Lipids are available to the body from three sources.

Ex Output:
Lipids are available to the body from how many sources?

Ex Input:
The pupil is the name of the black opening in the eye that lets light enter.

Ex Output:
What is the name of the black opening in the eye that lets light enter?