How many countries (endonym) has the capital (endonym) of Jakarta?
CREATE TABLE table_15919 (
    "Country ( exonym )" text,
    "Capital ( exonym )" text,
    "Country ( endonym )" text,
    "Capital ( endonym )" text,
    "Official or native language(s) (alphabet/script)" text
)
SELECT COUNT("Country ( endonym )") FROM table_15919 WHERE "Capital ( endonym )" = 'Jakarta'
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: How many countries (endonym) has the capital (endonym) of Jakarta? ### Input: CREATE TABLE table_15919 (
    "Country ( exonym )" text,
    "Capital ( exonym )" text,
    "Country ( endonym )" text,
    "Capital ( endonym )" text,
    "Official or native language(s) (alphabet/script)" text
) ### Response: SELECT COUNT("Country ( endonym )") FROM table_15919 WHERE "Capital ( endonym )" = 'Jakarta'