What capital's county had a population of 730129 as of 2009?
CREATE TABLE table_20668 (
    "Code" real,
    "County" text,
    "Former Province" text,
    "Area (km 2 )" text,
    "Population Census 2009" real,
    "Capital" text
)
SELECT "Capital" FROM table_20668 WHERE "Population Census 2009" = '730129'
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 capital's county had a population of 730129 as of 2009? ### Input: CREATE TABLE table_20668 (
    "Code" real,
    "County" text,
    "Former Province" text,
    "Area (km 2 )" text,
    "Population Census 2009" real,
    "Capital" text
) ### Response: SELECT "Capital" FROM table_20668 WHERE "Population Census 2009" = '730129'