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

Diabetes is unpreventable in the type one form but may be prevented by diet if it is of the second type.
What disease is unpreventable in the type one form but may be prevented by diet if it is of the second type?

Process of desalinization helps provide cleaner water for agriculture.
Which process helps provide cleaner water for agriculture?

Superconductors are materials with a resistivity of zero.
Superconductors are materials with a resistivity of?