CREATE TABLE table_78647 ("Ecclesiastical Jurisdictions" TEXT, "Latin name" TEXT, "Type" TEXT, "Rite" TEXT, "Ecclesiastical Province" TEXT, "Area  ( km 2  ) " FLOAT)

What Ecclesiastical Province has a type diocese and a latin name alexiensis?
SELECT "Ecclesiastical Province" FROM table_78647 WHERE "Type" = 'diocese' AND "Latin name" = 'alexiensis'
SELECT "Ecclesiastical Province" FROM "table_78647" WHERE "Latin name" = 'alexiensis' AND "Type" = 'diocese'