Table schema:
CREATE TABLE table_name_52 (sub_parish__sogn_ VARCHAR, parish__prestegjeld_ VARCHAR, location_of_the_church VARCHAR)

Question: Which Sub-Parish (Sogn) is in the Parish (Prestegjeld) of hafslo parish and is located in the Church of Urnes?
SQL: SELECT sub_parish__sogn_ FROM table_name_52 WHERE parish__prestegjeld_ = "hafslo parish" AND location_of_the_church = "urnes"