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

Example Input: When water is heated by magma and makes its way to the surface and creates a(n) geyser.
Example Output: When water is heated by magma and makes it's way to the surface what is created?

Example Input: Insulin is made up of two polypeptide chains.
Example Output: Insulin is made up of how many polypeptide chains?

Example Input: If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately two meters long.
Example Output:
If the dna from all 46 chromosomes in a human cell nucleus was laid out end to end, it would measure approximately how long?