(1) What is the estimated annual maintenance cost for each stadium that was constructed for the 2010 Fifa Soccer World Cup tournament; (2) whether the cost will be funded from the fiscus; if not, (a) why not and (b) how will the cost be met; if so, what are the relevant details; (3) whether any stadia will be mothballed or demolished to contain costs; if not, why not; if so, what are the relevant details?