Given the task definition and input, reply with output. In this task, you are given a paragraph, and your task is to construct a question from the given passage. Construct question in such a way that (i) it is well explained in the paragraph, (ii) the words may/may not be present in the paragraph, (iii) it should start with what/how/describe. Avoid creating a question that (i) is just relevant to one or two sentences, and (ii) not relevant to passage. 

The coal is placed in a heater. The coal is super heated. The heat is connected to a boiler. The boiler is full of water. The heat turns the water into steam. The steam turns a generator. The generator produces the electricity. 

How does a coal-powered power station generate electricity?