which other districts besides castries has a population that is more than 20,000 ?
CREATE TABLE table_203_212 (
    id number,
    "#" number,
    "district" text,
    "land area (km2)" number,
    "population\n(2010 census)" number,
    "density (persons/km2)" number
)
SELECT "district" FROM table_203_212 WHERE "district" <> 'castries' AND "population\n(2010 census)" > 20000
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: which other districts besides castries has a population that is more than 20,000 ? ### Input: CREATE TABLE table_203_212 (
    id number,
    "#" number,
    "district" text,
    "land area (km2)" number,
    "population\n(2010 census)" number,
    "density (persons/km2)" number
) ### Response: SELECT "district" FROM table_203_212 WHERE "district" <> 'castries' AND "population\n(2010 census)" > 20000