CREATE TABLE table_name_71 (district VARCHAR, former_local_authority VARCHAR)

What district is the parish who had the South Cambridgeshire rural district as the former local authority?
SELECT district FROM table_name_71 WHERE former_local_authority = "south cambridgeshire rural district"
SELECT "district" FROM "table_name_71" WHERE "former_local_authority" = "south cambridgeshire rural district"