(a) What number of times has (i) the Director-General of his department and (ii) other senior management service officials travelled to Cape Town since 26 May 2014 and (b) what are the relevant details of the (i) dates, (ii) cost of (aa) flights, (bb) rental vehicles and (cc) accommodation, (iii) names of each person who formed part of the delegation and (iv) reason for each trip in each case?