With reference to her reply to question 2803 on 30 October 2017, (a) how many occassions did the SA Express charter aircraft from other airlines to honour its commitments from 1 April 2016 to 31 October 2017, (b) what are the details of (i) the type of aircraft chartered and (ii) the airline from which the aircraft was chartered and (c)(i) for what period and (ii) at what cost was each aircraft chartered? NW 4135E