CREATE TABLE table_21968 ("Parish  ( Prestegjeld ) " TEXT, "Sub-Parish  ( Sokn ) " TEXT, "Church Name" TEXT, "Year Built" FLOAT, "Location of the Church" TEXT)

Name the number of parish for vilnes kyrkje
SELECT COUNT("Parish (Prestegjeld)") FROM table_21968 WHERE "Church Name" = 'Vilnes kyrkje'
SELECT COUNT("Parish (Prestegjeld)") FROM "table_21968" WHERE "Church Name" = 'Vilnes kyrkje'