(1) What is the national shortage of process controllers at wastewater treatment plants around the country; (2) how many process controllers were employed at wastewater treatment plants around the country (a) at the end of the 2013-14 financial year and (b) as at the latest specified date for which information is available; (3) whether any provinces have training or learnership programmes in place to address the critical shortage of process controllers; if not, why not; if so, what are the relevant details?