Has a joint task team comprising her department and Umalusi been established to investigate the possible causes of poor learner performance in the 2015 National Senior Certificate examination; if not, why not; if so, (a) what are the terms of reference for the task team, (b) who is chairperson of the task team, (c) who are the members of the task team and (d) what deadline has the Task Team been given to complete its work?