(1) Whether (a) he, (b) his department or (c) the private sector has conducted any research into the possibility of (i) geothermal or (ii) hydrothermal energy resources in South Africa; if not, why not; if so, (aa) who conducted the research and (bb) what were the outcomes; (2) whether any resources were located; if not, what is the position in this regard; if so, (a) in which regions and (b) what potential will such resources present for the country?