(a) What is the total number of trains that were hired out (i) in the (aa) past three financial years and (bb) since 1 April 2018, (b) to whom were the trains hired out, (c) over what period were the trains hired out, (d) for what purpose were they hired out, (e) what amount was charged in each case, (f) what profit was made in each case and (g) what number of trains is allocated for the purpose of hiring out?