Whether, in light of the severe drought that the country is currently experiencing, his department (a) drilled and/or (b) refurbished any boreholes since 1 October 2015; if not, why not; if so, (i) how many boreholes did his department (aa) drill and/or (bb) refurbish during the specified period, (ii) what is the exact GPS location of each of the specified boreholes, (iii) what were the costs of (aa) drilling per meter and/or (bb) refurbishment in each case and (iv) was water found at each of the boreholes?