(1) (a) How many consultants were appointed by the Passenger Rail Agency of SA (Prasa) and its predecessors in each year since 2006, (b) how much was paid to each, (c) which projects were they involved in and (d) how much did their appointment contribute to the profitability of the company; (2) whether the board of Prasa approved their appointment; if not, who approved these appointments; (3) whether procurement procedures were followed; if not, why not; if so, what are the relevant details?