Are the qualifications of teachers verified with the SA Qualifications Authority (SAQA) prior to their appointment to teaching posts; if not, why not; if so, how many teachers (a) have had their qualifications verified by SAQA (i) in the (aa) 2011, (bb) 2012, (cc) 2013, (dd) 2014 and (ee) 2015 academic years and (ii) since 1 January 2016 and (b) how many were found to have misrepresented their qualifications during the specified academic years and period?