CREATE TABLE table_204_876 (id DECIMAL, "ecclesiastical jurisdictions" TEXT, "latin name" TEXT, "type" TEXT, "rite" TEXT, "ecclesiastical province" TEXT, "established" TEXT, "area  ( km2 ) " DECIMAL)

how many roman catholic dioceses have been established in angola ?
SELECT COUNT("ecclesiastical jurisdictions") FROM table_204_876
SELECT COUNT("ecclesiastical jurisdictions") FROM "table_204_876"