What wast the percent cut for the nation with an 80% full gas storage?
CREATE TABLE table_21690339_1 (
    _percentage_cut VARCHAR,
    gas_storage VARCHAR
)
SELECT _percentage_cut FROM table_21690339_1 WHERE gas_storage = "80% full"
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 wast the percent cut for the nation with an 80% full gas storage? ### Input: CREATE TABLE table_21690339_1 (
    _percentage_cut VARCHAR,
    gas_storage VARCHAR
) ### Response: SELECT _percentage_cut FROM table_21690339_1 WHERE gas_storage = "80% full"