Which Year saw the Production of Wicked at the Helpmann Awards Award ceremony?
CREATE TABLE table_name_13 (
    year VARCHAR,
    production VARCHAR,
    award_ceremony VARCHAR
)
SELECT year FROM table_name_13 WHERE production = "wicked" AND award_ceremony = "helpmann awards"
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: Which Year saw the Production of Wicked at the Helpmann Awards Award ceremony? ### Input: CREATE TABLE table_name_13 (
    year VARCHAR,
    production VARCHAR,
    award_ceremony VARCHAR
) ### Response: SELECT year FROM table_name_13 WHERE production = "wicked" AND award_ceremony = "helpmann awards"