Before you ask any question, please find out the answer first.
It is essential that you know the answer to the question you want to ask first, before you actually ask the question.
You might ask… Why ask question then, if you have already knew the answer?
Usually it will be for ice-breaking or formality or legal requirements or other requirements than trying to know the answer.
There is another say, where it is likely that you will rarely get the answer to the question you ask.
Truly you need to look for the answer yourself. It can be others don’t want to tell you, or simply it is impossible for others to tell you the answer. Either way, you definitely need to work to get your desired answer.
So, try to always have the answer before you actually ask question!