Fallacy of many questions, loaded question, complex question, presupposition, trick question, plurium interrogationum
Irrelevant Argument, Informal Argument
Someone asks a question that presupposes something. Often used so that the question limits direct replies to those that serve the questioner's agenda. The phrasing of the question generally introduces irrelevant or incorrect evidence.
Are you still beating your wife/husband?" Whether the respondent answers yes or no, he will admit to having a spouse
Identify the assumption in the question and challenge its relevance.