(1) What is the name of the consultant contracted by his department to identify potential sites for an off-shore aquaculture project in the Eastern Cape; (2) what sites were identified as (a) viable and (b) nonviable; (3) for those sites identified as nonviable, on what grounds was this determination reached, in each case; (4) whether any sites considered to be nonviable by the specified consultant were included in the environmental impact assessment carried out by a subsequent consultant ; if so, on what grounds was it decided to reassess sites previously identified as nonviable?