CREATE TABLE table_203_212 (id NUMBER, "#" NUMBER, "district" CLOB, "land area  ( km2 ) " NUMBER, "population\ ( 2010 census ) " NUMBER, "density  ( persons/km2 ) " NUMBER)

which district in saint lucia has a land area listed , but has no population ?
SELECT "district" FROM table_203_212 WHERE "population\n(2010 census)" = 0
SELECT "district" FROM "table_203_212" WHERE "population\n(2010 census)" = 0