(a) What action plans have been devised and/or implemented with regard to the operation of stadiums that were upgraded or built for the 2010 Fifa World Cup Soccer tournament to ensure that they generate sufficient revenue to make them financially viable, (b) to what extent have these plans been implemented, (c) what were the benefits thereof and (d) how many (i) events and (ii) functions have been held at each specified stadium during the period 1 August 2010 until 25 June 2011?