§ Mr. George RobertsonTo ask the Secretary of State for Social Security if he will provide for each metropolitan, borough and district council in England and Wales, for each year from 1987–88(a) the number of tenancies held by each local authority, (b) the numbers of housing benefit claimants, split into rent rebate and rent allowance categories and the total amount paid under each heading,(c) the percentage rise in expenditure by each local authority's total housing benefit over the year before,(d) the numbers and amounts of housing benefit backdated payments and the amount as a percentage of each authority's housing benefit expenditure, (e) the numbers, amounts and percentage relative to total housing benefit expenditure of discretionary payments and (f) a breakdown of the categories of housing benefit overpayments, with the numbers and amounts and as a percentage of housing benefit expenditure.