What is the city location of the tournament currently known as the Medibank International Sydney?
CREATE TABLE table_23789 (
    "Tournament" text,
    "Also currently known as" text,
    "City(s)" text,
    "Country" text,
    "Court surface" text,
    "Tier IV in" text,
    "Years" real
)
SELECT "City(s)" FROM table_23789 WHERE "Also currently known as" = 'Medibank International Sydney'
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 is the city location of the tournament currently known as the Medibank International Sydney? ### Input: CREATE TABLE table_23789 (
    "Tournament" text,
    "Also currently known as" text,
    "City(s)" text,
    "Country" text,
    "Court surface" text,
    "Tier IV in" text,
    "Years" real
) ### Response: SELECT "City(s)" FROM table_23789 WHERE "Also currently known as" = 'Medibank International Sydney'