instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Metallic bonds gives a coil of copper wire the ability to conduct electricity well.
answer:
What gives a coil of copper wire the ability to conduct electricity well?


question:
You call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars, elliptical galaxies.
answer:
What do you call egg-shaped galaxies, which are reddish to yellowish in color because they contain mostly old stars?


question:
In a heat map, bright yellow color represents the hottest temperatures.
answer:
In a heat map, what color represents the hottest temperatures?