Read the given query and classify it as a 'Good' or 'Bad' query depending on how well the query is formed, 'Bad' being the expected output for a not so well formed query and 'Good' being the expected output for a well formed query. A query may be wrong based on common sense or general facts, but if it is well formed, you should answer with Good.

Hydrology is a study of what ?
Bad

How many sea turtles are left in the sea ?
Good

How do you change the power steering pump 1995 cirrus ?

Bad