Question: What is the description when the reserve is Half Moon Caye?
SQL: SELECT "Description" FROM "2-17625231-2" WHERE "Reserve" = 'Half Moon Caye';

Question: Which district has an IUCN of III and was established in 1998?
SQL: SELECT "District" FROM "2-17625231-2" WHERE "IUCN" = 'III' AND "Est." = 1998.0;

Question: What is the IUNC of district of Cayo and reserve of Actun Tunichil Muknal?
SQL: SELECT "IUCN" FROM "2-17625231-2" WHERE "District" = 'Cayo' AND "Reserve" = 'Actun Tunichil Muknal';