What in Xenia's Diameter in km, with a latitude of 14 and a longitude of 249.4?
CREATE TABLE table_55445 (
    "Name" text,
    "Latitude" real,
    "Longitude" real,
    "Diameter (km)" real,
    "Named after" text
)
SELECT COUNT("Diameter (km)") FROM table_55445 WHERE "Latitude" < '14' AND "Name" = 'xenia' AND "Longitude" > '249.4'
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 in Xenia's Diameter in km, with a latitude of 14 and a longitude of 249.4? ### Input: CREATE TABLE table_55445 (
    "Name" text,
    "Latitude" real,
    "Longitude" real,
    "Diameter (km)" real,
    "Named after" text
) ### Response: SELECT COUNT("Diameter (km)") FROM table_55445 WHERE "Latitude" < '14' AND "Name" = 'xenia' AND "Longitude" > '249.4'