With reference to the agreement between the Republic of South Africa and the Republic of Cuba on co-operation in the field of water resource management, which she signed on 7 February 2021, what (a) number of Cuban nationals are (i) currently employed and (ii) will be employed by her department, (b) specific work roles are envisaged for the Cuban nationals, (c) are the specific skills set of each of the Cuban nationals that are not possessed by South African nationals (i) currently employed and (ii) will be employed by her department, (d) are the details of the process followed to ensure that the same skills set was and/or is not available in the Republic and amongst South African citizens and (e) is the total cost of the (i) employment and/or (ii) prospective employment of such Cuban nationals?