What denomination was produced in 2006?
CREATE TABLE table_67206 (
    "Year" real,
    "Denomination" text,
    "Reverse" text,
    "Weight" text,
    "Diameter" text,
    "Fineness" text,
    "Series" text
)
SELECT "Denomination" FROM table_67206 WHERE "Year" = '2006'
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 denomination was produced in 2006? ### Input: CREATE TABLE table_67206 (
    "Year" real,
    "Denomination" text,
    "Reverse" text,
    "Weight" text,
    "Diameter" text,
    "Fineness" text,
    "Series" text
) ### Response: SELECT "Denomination" FROM table_67206 WHERE "Year" = '2006'