questioned him to try to gain privileged information
The closest to a specific term would be "counter-question". It is usually an evasive technique to avoid answering.
yeah.. sord of.... well i think if you have question, you don't know something so you have to ask, and you ask something that you don't know right?? That asking something or somethings are called...
There is really no word in English for answering a question with a question.