What was the established 2005 population in CYO?
CREATE TABLE table_2394 (
    "District" text,
    "Capital City" text,
    "Area (km\u00b2)" real,
    "Area (sq.mi)" real,
    "Population (2005 est)" real,
    "2-letter abbreviation" text,
    "3-letter abbreviation" text
)
SELECT "Population (2005 est)" FROM table_2394 WHERE "3-letter abbreviation" = 'CYO'
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: What was the established 2005 population in CYO? ### Input: CREATE TABLE table_2394 (
    "District" text,
    "Capital City" text,
    "Area (km\u00b2)" real,
    "Area (sq.mi)" real,
    "Population (2005 est)" real,
    "2-letter abbreviation" text,
    "3-letter abbreviation" text
) ### Response: SELECT "Population (2005 est)" FROM table_2394 WHERE "3-letter abbreviation" = 'CYO'