What year had a domestic cup of singapore cup?
CREATE TABLE table_name_9 (
    year VARCHAR,
    domestic_cup VARCHAR
)
SELECT year FROM table_name_9 WHERE domestic_cup = "singapore cup"
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 year had a domestic cup of singapore cup? ### Input: CREATE TABLE table_name_9 (
    year VARCHAR,
    domestic_cup VARCHAR
) ### Response: SELECT year FROM table_name_9 WHERE domestic_cup = "singapore cup"