instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
Healthy lungs is necessary in a person who wishes to play wind instruments.
answer:
What is necessary in a person who wishes to play wind instruments?


question:
The frequency of a wave is the reciprocal of the period of the wave.
answer:
The frequency of a wave is the reciprocal of what other attribute of the wave?


question:
You call prokaryotes that do not need oxygen for respiration anaerobic.
answer:

What do you call prokaryotes that do not need oxygen for respiration?