With reference to the imbizo organised by his department in Pongola, KwaZulu-Natal, in the week of 2 March 2023 to provide feedback to stakeholders on the progress made with regard to the ex-mineworkers compensation fund programme, and to urge eligible claimants to continue with the lodgement process, what (a) are the full relevant details of the specified fund and (b) total number of ex-miners has benefited from the fund to date?