did mombasa or tana river have a larger population in 2009 ?
CREATE TABLE table_204_778 (
    id number,
    "code" number,
    "county" text,
    "former province" text,
    "area (km2)" number,
    "population\ncensus 2009" number,
    "capital" text
)
SELECT "county" FROM table_204_778 WHERE "county" IN ('mombasa', 'tana river') ORDER BY "population\ncensus 2009" DESC LIMIT 1
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: did mombasa or tana river have a larger population in 2009 ? ### Input: CREATE TABLE table_204_778 (
    id number,
    "code" number,
    "county" text,
    "former province" text,
    "area (km2)" number,
    "population\ncensus 2009" number,
    "capital" text
) ### Response: SELECT "county" FROM table_204_778 WHERE "county" IN ('mombasa', 'tana river') ORDER BY "population\ncensus 2009" DESC LIMIT 1