With reference to the reply to question 642 on 22 March 2018, (a) what is the total number of persons who have (i) been injured and/or (ii) died as a result of open coach doors in moving trains of the Passenger Rail Agency of South Africa (Prasa) since 1 March 2018, (b) what total amount in compensation was paid out to victims, (c) what actions have been taken by Prasa with regard to each case and (d) why has Prasa reneged on their legal duty to ensure doors were closed as confirmed by the Constitutional Court in 2015?