instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Carbon atoms have six neutrons as well as six protons.
answer:
Carbon atoms have six neutrons as well as how many protons?

question:
Under a crushed sugar cube is added and the water is stirred conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature.
answer:
Under which conditions would a sugar cube dissolve most quickly when placed in a liter of water at room temperature?

question:
Uranus is the least massive outer planet.
answer:
Which is the least massive outer planet?